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Q: Car starts but you have idle to high and noise?
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When you put your car in gear it makes a thumping noise?

if the vehicle shifts and drives fine. the most probable cause for this is a high idle. most vehicles idle at around 650 to 700 rpms. when warmed up, check or clean the idle air control if idle is high. good-day !


Whats wrong with your car if it makes a rattling noise when idle?

Depends on where the noise is whats making the noise. Can you be more descriptive of where and what?


Why is car making a loud screeching noise when starting car or when idle or at stop lights?

you have a bad alternater or belt


Can a bad battery cause a car to idle high?

No, that has nothing to do with idle speed.


You jump the car then it starts Making a noise like a fan running after you cut the engine?

When you can not figure out why your car makes a strange noise, you take it to a mechanic.


Would an idle air control valve cause a car to idle high?

Yes if it is stuck open.


2000 Beetle Rumbling noise when car is at idle and air conditioner is on Blows cold air and noise is only at idle Any ideas?

I would get it checked out by a profesional because that one is a hard one to deal with if it doesnt get done right


Why Car shakes at low idle and noise of missing fire noise from mufler?

chech catalyc converter or muffer. check also o2 sensor or egr valve.


Your car rpm are high even in park?

Adjust your idle.


Why does your car idle very high?

It's usually a vacuum leak.


Humming noise from rear in 2002 corvette Noise present when car in idle and moving does not incr with revving engine?

Have you checked your Exhaust Muffler and pipes ? Probably the fuel pump


What happenes if the Idle speed in a car is too high?

the engine runs at a faster rate than when the idle speed is lower.