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Might be smart to ask mechanic what he or she did. There is a fuse on most of these that might have blown and mechanic fixed it but now blown again, due to bad connection somewhere drawing too much current. BTW, this section is for cars and trucks only.
You don't say what make of car but it's about the same for all. Your problem is the choke adjustment. The choke raises the idle when the car is cold and after warm up drops to normal. You are doing the chokes job when you hold the pedal down, once its warmed up the choke no longer functions till cold again. So check the choke and the high idle speed adjustment. Simple fix. Hope this helps mike
Sounds like a problem with your choke. It may just need to be cleaned (linkages and all). If the choke doesn't close after reaching operating temperature, the engine will rev high. This indicates a choke stuck in the open position. Also, you may need to look for a vacuum leak if cleaning it doesn't fix it. On a 1981 GM product, I'd expect the vacuum hoses to be stiff and cracking.
Hi ..... This sounds as if it's fitted with an automatic choke, as long as the revs drop when it's warm there is nothing to worry about. The indication when these start to go wrong is that the car won't start when cold ................ even then any decent mechanic can fit a normal/manual choke.
Are u referring to the check engine light? If so, your car has an emission problem which should be checked out. If it is some other indicator you are referring to, your owners manual will tell you what it means. If u don't have your manual, go to gm.com/gmownercenter/chevy/ to have access to your manual online. countrycurt0
Did your "check engine light" come on? If it did, then a mechanic would put a scope on your car's computer to read the malfunction code. The print out would indicate if the check engine light appeared because of a faulty O2 sensor. If you have a faulty O2 sensor it will need to be replaced since this it is the source of information for your car's computer with respect to fuel mixture.