Question about 2006 Chevrolet Cobalt
Car stalling like outta gas headlights going dim then motor shut off wont restart
It sounds like a belt problem. probably worn and slipping and the alternator is not recharging the battery. In other words more going out than coming in. not enough to run ignition system with the lights on
Posted on Jan 08, 2013
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Posted on Jan 02, 2017
Your fuel filter may have gotten to the end of it's life and needs to be replaced. Start with the simple and replace the fuel filter, a dirty fuel filter will not set the check engine light to come on, at worst it's a weak fuel pump and that may need to be replace. Good luck and thank you for using Fixya.
Posted on Mar 06, 2010
Well, lets see...
The engine RPM going up and down when the A/C clutches engage and disengage sounds like it could possibly be caused by an Idle Air Control (IAC) that cannot properly control engine speed.
The headlamps dimming on the other hand, leads me to think that you may have charging system problems - loose cable connections, bad alternator diodes, shorted cell in the battery, etc.
Then again, if the engine is not idling correctly due to a bad IAC, it can cause the headlamps to fluctuate if the A/C is kicking on and off at idle.
So here are my recommendations:
First, get your charging system load-tested. Correct any problems found and see if this fixes your problem with the stalling and the dimming headlamps.
If a load test does not identify any problems with the charging system, try replacing the IAC.
Also please review this article: What Else Could Be Wrong?
Posted on Apr 11, 2011
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