Question about 2002 Chevrolet Impala

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2002 impala 3.4 L, cranks but wont start

The starter cranks over but the car wont start. I replaced all the spark plugs and wires, thinking that was the problem. When that didn't solve the issue I went ahead and replaced the fuel filter, it needed changed anyway. After changing the fuel filter i was able to get the car to start several times, but now it just keeps cranking over and wont start. After i stop turning the key i notice the security light comes on, I'm not sure if i'm experience the passlock problem i've heard about or not. When i can get the car started it runs fine and stays running until i shut it off. The battery is just a few months old and the alternator was replaced less than 6 month ago. Any help would be appreciated.

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  • Chevrolet Master
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Check the "Main Relay" and the fuse.
Hope this helps.

Posted on Apr 02, 2015

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  • Chevrolet Master
  • 552 Answers

If its not your passlock system then you should get a fuel pump pressure test done on the vehicle

Posted on Mar 23, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

  • 507 Answers

SOURCE: Chevy Blazer 1999,car doesn't keep running after started ,car has Passlock

hmmm, sounds like an ignition switch problem. Not the tumbler/key switch, the ignition switch.

Posted on Sep 07, 2008

CRTN
  • 716 Answers

SOURCE: While driving,my 97 chevy silverado just stopped running.

Yes If You Have To Many Keys On Your Key Ring Your Ignition Can Go Bad Fairly Quick. A Normal Sign Of Your Ignition Going Bad Is Shutting Off While Driving. You May Want To Try Changing Your Ignition Yourself As It Is Extremely Expensive To Have A Dealer Match The Keys And Everything. But If You Don't Wanna Deal With Having A Different Door Key Then The Ignition Key Then Pay The Extra Money.

Posted on Jan 05, 2009

puffnstuff
  • 3 Answers

SOURCE: hard starting

definately the fuel pressure regulator.

Posted on Nov 21, 2009

  • 90 Answers

SOURCE: 1999 tahoe will not crank with ignition key

it sounds like the problem but the question is why wont the pcm start the car. with the key turned to on the service engine light sould be on. if not the pcm has no power.

Posted on Dec 31, 2009

Testimonial: "Thank you for your assessment. The service engine soon light does appear when the ignition switch is turned on, but goes out when I jump start it. "

  • 355 Answers

SOURCE: my 2001 chevy lumina will not start. it has the

if you have the chip in the key, then this will surely help you: http://newrockies.com/vatsbypass . It was the only thing that saved my car.

Posted on Mar 22, 2010

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