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It can be a result from many causes; but a few you can check are:
1) the Catalytic converter is mostly plugged, and can flow the lower gas flow at idle, overheating at higher RPM's, like when driving.
2) The Exhaust system has a restriction, like a pipe that has been flattened reducing flow capacity.
3) The Ignition timing is misadjusted (in cars with an ignition distributor), or the spark advance mechanism is worn out or sticking, preventing proper timing advance at higher RPM's, like when driving.
4) The fan (or water pump) pulley is slipping under the belt, this aggravates at speeds above idle. Or if the fan has a thermal clutch, the clutch is defective and slips.
amclaussen.
What else can I help you with?
Why does your 2003 Blazer begin to over heat only when idoling?
thermostat or electric fan
My Hyundai xg300 over heating only while you drive it?
my hyuandai xg300 over heats only while i drive it why?
Why does your 1994 Altima AC only work when driving over about 40 miles per hour?
check to make sure your radiator cooling fans are working. You can do this with the car idoling, even cold they should come on with the ac. Next check your freon level.
Why does car overheat while driving?
Need to change your thermastat i have done that but still over heats when driving
What should you do when you feel sleepy while driving?
If you are feeling sleepy while driving, you should pull over as soon as it is safe to do so.
How come your 94 eclipse over heats when it idols but when im driving its fine?
your electric fan is not working , check the fuse ,then the relay , then fan motor , one or more will be bad .
Is it safe to engage in praying while driving?
Engaging in praying while driving can be unsafe as it can distract you from focusing on the road and lead to accidents. It is recommended to pull over to a safe location if you need to pray while driving.
What is normal Oil pressure on 1984 Oldsmobile silhoutte?
Over 20 psi at idleUnder 80 psi while driving Over 20 psi at idleUnder 80 psi while driving
Is coasting illegal while driving?
Coasting, which is driving in neutral or with the engine off, is generally not illegal while driving. However, it can be dangerous as it reduces the driver's control over the vehicle and may lead to accidents. It is recommended to avoid coasting while driving for safety reasons.
Why does Rod run over cattle dogs while on deliveries?
Probably because he texts while driving
1990 Camaro cooling fan problems?
Explain what's happening with the car's fan a little better. When driving the car its ok, when I am in traffic for 15 minutes and over the temp, starts to rise.If I put the ac on, IN traffic, it over heats.
What do you do if you throw up while driving a car?
Pull over and clean it up!
