My 04 impalas engine cranks but won't start
You'll have to figure out if it is a fuel or ignition problem.
Is the check engine light on ? Have you checked for trouble codes ?
It could be a relay, the ignition module, coil, fuel pump, or a list of other things.
Could even be a problem with the security system.
SOURCE: My 2004 impala has full powere but won't start no
When it doesn't start, is the security light and maybe the battery light flashing?
If yes, it's probably the PassLock security system. I just bypassed mine on my 2002 Impala. There are several websites with information and possible solutions; including spending several hundred dollars at the dealer, to a do-it-yourself bypass for a couple dollars.
The best source of information I could find was:
http://www.bergerweb.net/grandamsecurityfix.htm
There is lots of good information there.
If you want to see my writeup on bypassing the PassLock on my Impala, you may have to register at http://www.naioa.com and go to:
http://www.naioa.com/v2/modules.php?name=Forums&file=viewtopic&t=44480
SOURCE: 2002 Chevy impala won't start
it could be multiple things, like .spark plugs. air filters. computers. fuel filters, and all kinds of different things
SOURCE: 2003 impala everything works won't
If you try to start the vehicle and there is a click when you turn the key, but does not start, you may have a solenoid problem. This is usually about 3 inches long and 1.5 inches in diameter and attaches to your starter. Try giving it a sharp tap with a hammer as this is often enough to loosen contact points inside.
Cheers
SOURCE: 04 impala ss once it's warm check engine light
Need to get the codes..But first guess is the oil pressure switch
SOURCE: My 3.4L 2001 Chevrolet Impala won't start. I have
BAD FUEL PUMP OR OTHER PROBLEM...SEEK DEALERS HELP
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