set the idle down on the carb
Most cars will idle high until the engine warms up. If your car continuosly runs high have the fuel system checked.
Dieseling Engine overheating? Engine idling too high? Try a higher octane fuel?
Too high of an idle could be producing too much fuel for your jets to work with
you most likely have a horrible fuel sensory causing your car to be bad at idling. also you may hvae reved your engine to hard and that is causing it to idle.
My engine is idling too high. How do I adjust the idle speed?
An engine revving to high RPMs could be a symptom of many conditions. The potential cause?æalso depends on whether this happens?æwhile idling or while driving.
Well, a transmission itself does not idle...the engine does. A vacuum leak in the engine will cause faster idling or slower idling depending on where the leak is. Newer transmissions do not use vacuum at all for their operation. Older vehicles used vacuum to help with the shifting of gears-automatic transmissions.
The first thing to check if a fuel injected car is idling high is look for (listen for) a vacumn leak. look for a broken vacumn hose. 2nd, check the idle air control (the IAC) - However, if it is a carburetted car then you need to set the idle lower.
Chances are, particularly if this is an automatic transmission, you are low on tranny fluid. To check this, the engine needs to be at normal operating temperature and idling. Checking tranny fluid when the engine is cold and not idling will give a false reading, indicating that it is full ...
Incorrect timing can cause several problems. One of which is high idling. 5000 rpm sounds high though, there may be other problems as well.
Either your fuel is burning too rich or you have an idle censor out. new idle censor's are not expensive
2004 chevy cavalier is idling to high