What Would Cause A Car To Overheat When Driving But Not Idling

When i'm driving everythings fine, but when i come to a stop at a red light my car overheats just a little bit, not reaching the red area but my gauge starts to climb up a little. What would cause car to have no heat while idling but If the fan clutch goes bad it could cause it to overheat while idling, but it would cool off when driving due to the wind going over the. It is still overheating and I don't know what to do. However if your engine is running hot when it shouldn't, then you need to look into what's causing abnormal engine overheating. when idling no issues with it overheating. Spark Plugs Worn out spark plugs are one of the most common causes of engine shaking. Downshifting prior to or instead of braking saves meaningful quantities of fuel. The hot summer sun can cause the electrolyte in the battery to evaporate. In normal situations, there are two ways in which a car engine cools down while it is running. Modern day cars do not need to do this anymore, making the warm up period redundant and driving for a number of minutes is a much more effective method. I'm unsure what it could be. 2 is common for head gasket leaks. This will happen if the car runs for a long period with not enough coolant. Open your hood. A friend of mine happens to be quite knowledgeable when it comes to cars, and he told me the most likely cause was the thermostat. Not surprisingly, summertime is when we see more vehicles overheating on the side of the highways. if the fan clutch is not working, when you stop at a light, the engine heat just collects under the hood. Common Causes Of Engine Overheating And How To Fix Them. So, When your car is stationary, your engine should idle smoothly at around 1000 RPM, and give off a constant even. If the car idles rough or cuts off at low RPM or idle, the cause could be a failing O 2 sensor. Depending on you engine configuration and the location of the water pump, the result could be trapped air in the water pump. I have owned this puma for 2 days. The coolant may not be overheating, but it could get pretty toasty under the hood. I replaced the thermostat and the problem still persists. It's not like the car is overheating all the time either as it is still driveable, just not with the AC running. i can not start my car: 2000 Nissan Sunny 2 comments: ali Bahrain, bahrain, manama: Jun 29, 2014: oil is goin on my candles n blowing it up. Car was overheating within one hour of driving. com/webstore/detail/photobucket-embed-fix/naolkcpnnlofnnghnmfegnfnflicjjgj. Hello Fellow Enthusiasts I have a BJ8. If your vehicle overheats while driving, pull over and shut off the vehicle to assess the situation. It's easy to overlook but a bad clutch fan will cause overheating in stop & go traffic, while you're idling or out on the trail at low speeds. Maybe like me, however, you like the seats and interior a bit toasty before you take off in the morning. Why Is My Car Overheating? So, what causes a car to overheat? What kind of damage can happen if it does? If you do notice any of the symptoms of an overheating engine while you are driving. Some older cars use a carburetor to process fuel, rather than a fuel injection system. This causes unnecessary wear. Letting your car idle while in park might not seem like a big deal. Poor airflow, blocked passages, old hoses, bad radiator caps, blown headgaskets can all cause overheating. Downshifting When you must slow down in heavy traffic or while driving up steep hills. If that doesn't work, you can take the radiator out of the car and have it flow tested at a radiator shop. Can You Drive with a Blown Head Gasket?. If the electric fan does not come on, well, it's not going to be too hard to fix, but locating a cheap used part may be a hassle, so in that case, roll down your windows and run the heat at full blast when the engine starts to get too warm. He had whar he thought were overheating issues so I sent him another rad, rad cap, hoses and a 16lb themostat His car chucks loses water during drive but never idling in the garage This was his latest message "Unfortunately not. I called the Chrysler dealer which did not have enough complaints about this so they are not issuing any recalls yet. A simple $20 fix can turn into a $5,000+ fix in a matter of miles, so it's important to limit driving to an extreme minimum, even if it means calling the dreaded tow truck. While it’s tempting to head for a nearby auto repair shop, you will need to wait to schedule engine maintenance and repair. The most common cause is a lack of coolant (normally a water and antifreeze mix) in the car's cooling system. 6 bladed fiberglass fan. Nissan Frontier Overheats While At Idle – Why? Reader Question. Drivers should shift into a lower gear like L. Worked asbsolutely sweet those two days however just driving it home from work yesterday (steadily plodding away at 70mph) stopped at a roundabout and once the revs hit idling speed the oil light came on and the car almost stalled. Honda Accord: Why Does My Car Idle Rough? Your car is in "park," so why does it want to drive? This article will discuss some of the potential causes and solutions to fix this stubborn car problem. Heater will not blow hot air. If you can catch the problem quick enough, then you can save the headache from major […]. If your car is overheating at freeway speeds and also around town at slower speeds, coolant flow might be the first place to look. Remember that overheating your engine could cause irreversible damage. In addition to wasting fuel, idling drains your car battery, decreases performance, burns up oil, and releases harmful emissions into the air. The coolant may not be overheating, but it could get pretty toasty under the hood. This usually means the battery is not holding a charge, though it can also point to more serious issues with the vehicle’s charging system. Overflow thank will not go down sometimes and it looks like it has no water in the engine coolant thermostat housing assembly. Might have missed it, did you put new hoses on? Got to thinking of a hose sucking flat and causing an issue as you mention driving it and it overheating, but the temp went down when you got it back and just sat in the drive idling. A simple $20 fix can turn into a $5,000+ fix in a matter of miles, so it's important to limit driving to an extreme minimum, even if it means calling the dreaded tow truck. If the car suddenly overheated due to lack of coolant or other reasons, shut off the engine immediately and allow the car to completely cool down. Low coolant can cause overheating. On you car, correct me if I am wrong, the fans are controlled electrically and not by a belt. I am now in NY and have noticed after a while of driving it will run warm at idle. Overheating is the Number 1 cause of summer breakdowns. When you are moving, air is being pushed through the radiator, basically doing what the fans do. Start with the people in our repair network; or suggest to your local mechanic to use our PATENTED SureGrip stud kit to fix your engine. Should I take it in somewhere? 03 ford focus SPI single headcam. Maybe like me, however, you like the seats and interior a bit toasty before you take off in the morning. Insufficient airflow is another issue that can cause overheating. Driving with low tire pressure means your tires are making contact with the heat of the road for longer, which could potentially put them at risk of overheating and blowing out on the road. It’s advice from the carburetor age! Whoever told you that you need to idle your car on a cold morning to “heat things up,” could be stuck in a bit of a time warp. Com, or questions not thorougly thought out by the sender. Fans on my 1999 Grand Am four-cylinder car will not come on car is overheating help please 10/02/2017 by Shauna Hi my name is Rodney i have 04 grand am 3. It also only happens when the hill is particularly steep, again, towards end of trip. Bleeding the cooling system can sometimes be tedious and frustrating (though other times it is quick and straight forward). When i'm driving everythings fine, but when i come to a stop at a red light my car overheats just a little bit, not reaching the red area but my gauge starts to climb up a little. If the shroud is missing or is damaged, air can escape around the shroud, reducing the amount of air pulled through the radiator by the fan. When it gets that bad it will be constantly blowing oil out the tail pipe as a fine mist of oil droplets that may collect in the windscreen of a car following within a few hundred feet behind. Low coolant level. i had the radiator cleaned by professionals and they tested for gas in my expansion tank and did not find any. This efficient delivery of fuel to your car’s engine keeps oil from washing off. If you continue to drive your car with low antifreeze your vehicle will eventually overheat. Engine fan does not turn on causing car to overheat. I bought the truck used, and it initially only overheated in the summer months when I was idling. The reasons for a rough idling engine can vary, with some being cheap, easy fixes and some requiring more complex repair procedures. Since the early ’90s, nearly all passenger cars in the U. Additionally, some cars have a fan clutch that may cause overheating. I am now in NY and have noticed after a while of driving it will run warm at idle. I know a few mechanical things but don't want to get in over my head with a $ pit. 2 is common for head gasket leaks. In manual troubleshooting, you dont rule out any possible cause of an issue until tested. So I JUST got the CRT rebuilt and while driving today I heard this odd sound, once I got home i let the car idle and a popping and clicking sound along with normal engine sounds. Exterior; Fog lamps; Vinyl upper/anti-scuff lower door trim w/integral armrest, map pocket, door pull handle, courtesy lights; Instrumentation; Auxiliary pwr point in instrument p. When it gets that bad it will be constantly blowing oil out the tail pipe as a fine mist of oil droplets that may collect in the windscreen of a car following within a few hundred feet behind. It’s normal to top off your coolant every so often, but if you’re having to do it regularly — or if you see a telltale puddle of coolant under your car — your system will need to be pressure-tested to locate any leaks. 6 the air will migrate to the degas bottle in a couple of heat/cool cycles (the 3. Use the foot brake or parking brake to hold the car on an incline. Stop driving your vehicle and call a mechanic as soon as possible, or the question of "why is my car overheating?" will be the least of your problems. If your vehicle overheats while driving, pull over and shut off the vehicle to assess the situation. Have not noticed any dramatic difference in gas mileage or smell or torque. Which sucks as it's getting hotter where I live and we were planning on taking a trip next weekend to see my parents in Phoenix, where it's much much hotter and an AC that doesn't cause our car to overheat would be very nice. The idle of a car engine is kind of like a human heartbeat: You can tell what shape it's in just by listening. Since the early ’90s, nearly all passenger cars in the U. They traced the cause to a busted thermostat and replaced that as well. Regular Maintenance. Hello Folks. He had whar he thought were overheating issues so I sent him another rad, rad cap, hoses and a 16lb themostat His car chucks loses water during drive but never idling in the garage This was his latest message "Unfortunately not. Then we drove the car and let it idle for approx 20 min to see if it would overheat… it didnt. The temperature gauge may read normal when in fact the car is over heating. I have a '95 240 that's been overheating when i drive it. have come equipped with fuel injection technology. Clutches will lose rpm every year, so even though there is no play or grinding it can still be worn out enough to cause the overheating. I have had to add gallons of coolant but can't find any leaks. Now when I drive the car it overheats, I am not very mechanically minded, my uncle looked at the car, and he said it doesn't look like its the head or the head gasket because there was no bubbles in the radiator water when the motor was idling with the cap off. If i put the car in neutral, idle it or even park the car the temp immediately starts cooling down. Although hot weather is the most common cause of overheating, many other factors can cause the same problem. My car ('02 Mitsubishi Lancer) has been pretty much overheating while I have the AC on & idling. when you are driving there is constant air through the radiator cooling it. when idling no issues with it overheating. I had that problem to and it was my raditor cap,looked new but didnt release at the right temp and pressure,so it got hotter and more pressure untill it popped to tank. Overflow thank will not go down sometimes and it looks like it has no water in the engine coolant thermostat housing assembly. You know that scene in the movies where a car starts to overheat and steam starts pouring out of the sides of the hood at a rapid pace. The temperature gauge may read normal when in fact the car is over heating. They'd said check engine light was a sensor knowing full well it wasn't. Overheating is the Number 1 cause of summer breakdowns. I'm unsure what it could be. The car also vibrates while idling. What You Need To Know About Overheating A Vehicle The first thing you must know in regards to a vehicle over heating is that most modern cars use dummy gauges. Have not changed octane or source of fuel recently. Hello Fellow Enthusiasts I have a BJ8. Engine fan does not turn on causing car to overheat. Toyota Camry 1997-2001: Why is My Car Overheating? Why your car is overheating can be traced to a few locations under the hood. Badly worn valve guides can cause oil consumption as high as one quart of oil in 50 miles of driving. Be sure you are not running lean. Overheating Is Also A Common Cause Of OHC Seizure And Breakage If the coolant gets hot enough to boil, it may cause old hoses or an age-weakened radiator to burst. I am now in NY and have noticed after a while of driving it will run warm at idle. The unfortunate truth is that engine noises can mean anything from a simple quick-fix, to a complete engine overhaul that may not be worth the money if your car has some gnarls in its beard. never in idle. The engine being hot or cold doesn't effect it any differently. The most common cause is a lack of coolant (normally a water and antifreeze mix) in the car's cooling system. Back in the days of carburetors, when engines were made of steel, overheating was much more common, and less damaging. I am overheating and burning out coils, I’ve went through 8 to date. Maybe like me, however, you like the seats and interior a bit toasty before you take off in the morning. Webshop Back to homepage. It's easy to overlook but a bad clutch fan will cause overheating in stop & go traffic, while you're idling or out on the trail at low speeds. there is no fan to pull air through the radiator and cool it. My car overheats when driving but not in idle. Hello Fellow Enthusiasts I have a BJ8. Pistons may swell up and scuff or seize in their bores, causing serious engine damage. Replaced the blower fan and the new one does not work either. when you are driving there is constant air through the radiator cooling it. Car does not shake when going 50mph or more on flat surfaces or downhill. Even skilled mechanics can be left scratching their head. But as soon as I exited the freeway it stated to go down. i replaced the inline thermostat with new one (tested before fitting). Overheating Is Also A Common Cause Of OHC Seizure And Breakage If the coolant gets hot enough to boil, it may cause old hoses or an age-weakened radiator to burst. It will overheat at idle. Each time a misfire occurs (if due to an ignition system fault) air and fuel are dumped straight in to the exhaust. It is still overheating and I don't know what to do. I have owned this puma for 2 days. Keep Learning. Idling does not allow your battery to charge and causes it to strain. Now when I drive the car it overheats, I am not very mechanically minded, my uncle looked at the car, and he said it doesn't look like its the head or the head gasket because there was no bubbles in the radiator water when the motor was idling with the cap off. 9 – A Defective Radiator Cap can Cause a Pressure Drop. Why did my car overheat when I was driving on the freeway? Before I got on the freeway the temperature was normal. 280 F: better stop; unless the oil pressure light is on (in which case you must shut the engine off immediately!), let the engine run. Air bubbles in the cooling system can also cause issues. While your engine is cool, open the cap to your radiator and see how full it is. Car does not shake when going 50mph or more on flat surfaces or downhill. Chances are you have either a radiator cap leak, internal coolant leak or an external coolant leak. Our Ford AU has a very strange "popping" sound when idle, it's NOT in time with the engine - it seems totally random, kind of like water dripping onto a metal surface. It lacks pressure but it builds up after a while. Somehow the system loses water - in a non-obvious manner, such as boiling over - in the course of driving uphill. But if your car is overheating only in stop-and-go traffic, it can be easier to track down the source of the problem. My Caddy heats up to normal range after a cold start, and frankly, I think I could drive a few thousand miles on the highway and it would never rise above 196 degrees. Found out later had leaking coolant hoses and adapter which made engine. If the car idles rough or cuts off at low RPM or idle, the cause could be a failing O 2 sensor. Here’s why many drivers still hold to the belief that idling is good for the engine and why this winter driving myth needs to be busted. If I give it any gas, the knocking sound goes away. Car runs perfectly fine on flat surfaces, going downhill, etc. Letting your car idle while in park might not seem like a big deal. I replaced thermostat. Poor airflow, blocked passages, old hoses, bad radiator caps, blown headgaskets can all cause overheating. I am now in NY and have noticed after a while of driving it will run warm at idle. It didn't work but the very next day my car started to overheat. Apparently, idling your car for even something like 10 seconds uses more gas than turning it off and on again. Currently just under half a tank of gas. Start with the people in our repair network; or suggest to your local mechanic to use our PATENTED SureGrip stud kit to fix your engine. Depending on you engine configuration and the location of the water pump, the result could be trapped air in the water pump. Honda Accord: Why Does My Car Idle Rough? Your car is in "park," so why does it want to drive? This article will discuss some of the potential causes and solutions to fix this stubborn car problem. Checking the thermostat and coolant are your first steps, but there could be other issues if those don’t seem to fix it. My fans work and i've checked to make sure i don't have a blown head gasket. “Idling” is leaving your engine running while your car is not moving. Hello My 2002 jeep liberty Limited has started overheating. Sometimes, it's not quite that easy though. it cost $91. The failure of the cooling system may be caused by a leak or clog that drains the coolant over time. Finding out what is wrong with your car by feel, smell, look, and sound. Maybe like me, however, you like the seats and interior a bit toasty before you take off in the morning. replaced thermostat,alternator,water. My Caddy heats up to normal range after a cold start, and frankly, I think I could drive a few thousand miles on the highway and it would never rise above 196 degrees. In manual troubleshooting, you dont rule out any possible cause of an issue until tested. The significant amount of heat generated by the AC condenser affects the overall temperature of the engine, causing it to overheat. It is not leaking coolant and head gaskets are perfectly fine. This article applies to the Audi A6 C5 (1998-2004). In summer it does the opposite; it controls the engine overheating in warmer months. Problem: Car was overheating after driving a couple miles or more than 5 minutes. Another symptom of this would be that your car overheats whether you are driving or idling. Usually, a stuck thermostat will not make the car heat overheat quickly. Car does not shake when going 50mph or more on flat surfaces or downhill. It may do fine in local driving, but when on a highway at increased speeds a problem like this can surface. The Truck Overheats While Idling Another sign of a malfunctioning condenser fan is an overheating engine while idling—even with the AC on. I thought the mechanical clutch was primarily for cooling at idle and low speeds?. Reasons for a Car to Overheat Cars are at risk of overheating especially during the summer season. It is not very easy to back wash these components without removing them. If the coolant level is full, the lack of heat at idle may be due to a faulty auxiliary water pump. 98 Honda CRV, Overheating randomly what is the cause? Hi, I have a 1998 Honda CRV that tends to overheat randomly (after an hour or so of driving) and go back down to normal. Be sure you are not running lean. 00 and you will not need to remove the pump. Car does not shake when going 50mph or more on flat surfaces or downhill. The heater not working in some cases may be related to the overheating problem you are also having. One very common cause of idling rough is a problem with a vacuum hose in the vehicle. Here are tips for what to do when your engine overheats, and basic car maintenance you can do to help prevent your car from overheating. A thorough check now can avoid serious problems later. 5) The radiator has been full before starting everytime I have tested the car by driving uphill. 5035763300 Excessive heat can destroy the engine of a car, so overheating is a very bad sign no matter what. It sounds stronger from the driver's side of the engine, and you can hear it louder sticking your head under the car. My car ('02 Mitsubishi Lancer) has been pretty much overheating while I have the AC on & idling. The idle of a car engine is kind of like a human heartbeat: You can tell what shape it's in just by listening. Spark Plugs Worn out spark plugs are one of the most common causes of engine shaking. my 2000 lincoln ls v6 overheats with air condition running. But don't confuse warm air coming from your car's radiator with a warm engine. But, it only starts to overheat when the gas is depressed. New temp guage installed. This is your fault! Action. Sometime in February this year, a Nairalander brought his Nissan Pathfinder to troubleshoot an overheating issue, exactly what is doing: would overheat when the car was stationary, but would stop as soon as the car started moving. have come equipped with fuel injection technology. 2001 Audi TT Overheating by hughbpike | July 31, 2005 5:48 AM PDT Having the same problem with my TT overheating in hot weather and city driving. It has enough coolant but the radiator fan in the front isnt working. Read on as you discover different reasons an LS1 might overheat. Here are 17 of the most frightening car sounds and what they could mean. Most A/C leaks are around the compressor shaft seal and any A/C repair at all after this length of time will mean that the system should be flushed, the drier changed, etc. Overheating can be extremely bad for a car. Make your summertime driving better by preparing your vehicle for summer before it gets here. Idling is, in fact, the. I replaced the thermostat and the problem still persists. If your vehicle overheats in traffic in normal weather, one of the following may be the culprit:. Any suggestions?. Find a reputable repair shop to have your Northstar Engine repaired. Might have missed it, did you put new hoses on? Got to thinking of a hose sucking flat and causing an issue as you mention driving it and it overheating, but the temp went down when you got it back and just sat in the drive idling. If I start my car it will not show any type of smoke but if I am driving with higher speed or low speed of about 50 km/h it will show a small white smoke emission from the tile end exhuth please I need to know the condition of my car ,remedy and the possible solution. I called the Chrysler dealer which did not have enough complaints about this so they are not issuing any recalls yet. Louis, I keep on driving. Should I take it in somewhere? 03 ford focus SPI single headcam. Hot weather is the primary cause of car overheating since the car dashboard temperature rises hugely causing the malfunction alert to indicate lack of proper functioning. A rough idle can also be caused by a problem with the air flow box. I bought the truck used, and it initially only overheated in the summer months when I was idling. Because it is overheating while you are not moving, my first guess would be the fans not running correctly. It doesn't get into the red but it stays just barely short of it and will not put out heat at idle. This usually means the battery is not holding a charge, though it can also point to more serious issues with the vehicle’s charging system. Your car engine is making unnatural noises and you don’t have the slightest idea what it could be. it cost $91. A lean fuel mixture will overheat your car right now. If you’re searching for overheating car symptoms or what causes a car to overheat, this post will help you understand the signs of an overheating car and what to do. The hot summer sun can cause the electrolyte in the battery to evaporate. Each time a misfire occurs (if due to an ignition system fault) air and fuel are dumped straight in to the exhaust. When your car is idling, open the hood and look at the fan (or even listen for it with all other accessories turned off). If i put the car in neutral, idle it or even park the car the temp immediately starts cooling down. But an overheating condition can occur at any time, unexpectedly, even if you have maintained the system at the recommended intervals. Nissan Frontier Overheats While At Idle – Why? Reader Question. Webshop Back to homepage. The Fix: Reverse flush the cooling system and fill with fresh coolant. What Causes Your Car to Overheat. A little tap of the relay, or pulling it out and putting it back in would unstick it for a while, then the car would overheat again a few days later. Spark Plugs Worn out spark plugs are one of the most common causes of engine shaking. Poor airflow, blocked passages, old hoses, bad radiator caps, blown headgaskets can all cause overheating. My Engine is Shaking, and the Car Hesitates. If your engine does not get a continuous even supply of gas then it will start to shake. The result is less heat dissipated into the air by the radiator, causing the engine to overheat, particularly when the car is not moving. Low coolant level. For example, there is nothing you can do about your car idling while you are stuck in traffic. And considering the variety of causes, you can't be too careful. The vehicle was taken to be repaired but the details were unknown. If you continue to drive your car with low antifreeze your vehicle will eventually overheat. If you’re searching for overheating car symptoms or what causes a car to overheat, this post will help you understand the signs of an overheating car and what to do. The first time it did this my car temp gauge was at hot and started smoking, I turned the engine off and got out and it looked like all the water was running out from under my car. If the electric fan does not come on, well, it's not going to be too hard to fix, but locating a cheap used part may be a hassle, so in that case, roll down your windows and run the heat at full blast when the engine starts to get too warm. 4) I believe the head gaskets burning out are a result of the engine overheating, not the cause. If it's after dark and I'm in East St. Engine knocks during idle? In the past week, my engine has developed a knocking sound while idling. I have owned this puma for 2 days. This causes unnecessary wear. i replaced the inline thermostat with new one (tested before fitting). Why does my car start overheating while I'm idling? I was recently stuck in a traffic jam and my car started overheating while idling. As long as I'm moving the car wstays cool and even cools back down from hot. 280 F: better stop; unless the oil pressure light is on (in which case you must shut the engine off immediately!), let the engine run. While your engine is cool, open the cap to your radiator and see how full it is. This is because there's improper circulation of the antifreeze, which helps in keeping the engine temperature under control in winter, by preventing it from freezing. Today, we look at some common reasons why you car overheats, and how you can fix the problem before it turns into a major bill. You know that scene in the movies where a car starts to overheat and steam starts pouring out of the sides of the hood at a rapid pace. Engine was idling at about 750, throttle response was fine. So, When your car is stationary, your engine should idle smoothly at around 1000 RPM, and give off a constant even. Should I take it in somewhere? 03 ford focus SPI single headcam. Look to the next page for the scoop on noises in neutral. I have a landrover Freelander 1. The engine being hot or cold doesn't effect it any differently. Start with the people in our repair network; or suggest to your local mechanic to use our PATENTED SureGrip stud kit to fix your engine. I called the Chrysler dealer which did not have enough complaints about this so they are not issuing any recalls yet. Car runs perfectly fine on flat surfaces, going downhill, etc. The car is overloaded or being driven too hard. Besides the summer heat, some of the other common causes behind overheating are driving in traffic and driving on a steep grade. The reasons for a rough idling engine can vary, with some being cheap, easy fixes and some requiring more complex repair procedures. Warming car up or otherwise leaving it idling. This will not make your battery overheat, but the loss of fluids because of evaporation can harm the internal structure of the car battery that could lead to problems with overcharging. Bleeding the cooling system can sometimes be tedious and frustrating (though other times it is quick and straight forward). Since the early ’90s, nearly all passenger cars in the U. While it’s tempting to head for a nearby auto repair shop, you will need to wait to schedule engine maintenance and repair. Here are tips for what to do when your engine overheats, and basic car maintenance you can do to help prevent your car from overheating. Use the foot brake or parking brake to hold the car on an incline. Read on to learn how to diagnose it. So you might think by idling your car, you're warming it up, which will prevent this problem. Continue reading to diagnose why your Accord's engine is revving while it is parked. replaced thermostat, no leaks, brand new coolant. If you are driving in high altitude areas try using a higher octane/grade of fuel. I have a landrover Freelander 1. There are several causes of idling, and they often cannot be avoided. Unfortunately, this can cause them to overheat in some cases. This article applies to the Audi A6 C5 (1998-2004). 5035763300 Excessive heat can destroy the engine of a car, so overheating is a very bad sign no matter what. This will not make your battery overheat, but the loss of fluids because of evaporation can harm the internal structure of the car battery that could lead to problems with overcharging. Apparently, idling your car for even something like 10 seconds uses more gas than turning it off and on again. I'll go back to sleep now. Idling is, in fact, the. This is also a wonderful resource for anyone with an overheat problem. It is not very easy to back wash these components without removing them. Sometimes it'll go back to idling steadily at ~850rpm. When i'm driving everythings fine, but when i come to a stop at a red light my car overheats just a little bit, not reaching the red area but my gauge starts to climb up a little.