Question about 2003 Chevrolet Impala
Check the idle air control solenoid faulty,
Posted on Apr 21, 2015
Hello, do you have any check engine lights on. Sounds like a maf sensor or tps. Vacuum line could be broken or come loose. Could be an O2 sensor. It could be multiple different things. The egr is a possibility but I have never had a car not idle because of an egr valve problem. But it could be the problem. Check for check engine light and see what codes come up
Posted on Apr 21, 2015
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Posted on Jan 02, 2017
Possibly a weak fuel pump, idle air control valve, vacuum leaks, or loose or damaged wiring in the ignition system. Check for vacuum leaks first. That's the only one that won't cost anything. Make sure all intake bolts are tight, and all hoses are connected properly and in good condition.
Posted on Jul 20, 2009
It could be that your fuel filter could be clogged. You can check this by doing a fuel pressure test. After it dies, all the sediment drops off the filter so when you start it back up it does run for a small amount of time but then gets clogged up again after you start it again because it picks up the sediment again. You might also want to check your ignition control module. But my guess it's something to do withing your fuel system somewhere
Posted on Sep 02, 2009
things to check: check for engine vacume leak
carbon build up at throttle body. idle air contoller maybe stuck due to carbon build up or defective
Posted on Mar 21, 2010
I have replaced the radiator in my 2003 Chevrolet Impala LS. The car started running hot and shut down. Took it to a radiator shop and found a crack in the radiator. I have replaced 2 thermostats in the car already. I noticed water running from under my car today and it seems it was coming back out of the overflow. I am stumped as to what is going on with this car.
Posted on Jul 02, 2010
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