Question about 2003 GMC Envoy

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No start/ stalling

I have a 2003 GMC Envoy XL. Sometimes when I turn the ignition, nothing happens. The needles on the spedometer,tach. and voltage meter fluctuate as I'm trying to start. It doesn't turn over, but after a few tries, it will start. Also it sometimes stalls while driving, as if I turned off the ignition

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  • audiofrank Sep 28, 2008

    sometimes when i try to turn the car on; there is no power! all is dead. my battery is solid (12.85 - 13 volts) alternator is good as well. the problem appears as two distinct symptoms.
    1) no power at all. wait  while and the car turns-on like new.
    2) sometimes the starter will turn and car will not start.

    the rest of the time, it runs like a champ! if it is not battery related. not the alternator. what else?

  • CarbonJoe Oct 25, 2008

    I believe that the problem is the ignition switch. Mine would not crank over, but the headlights didn't dim. Charging the battery or trying a jump start had the same result, no cranking. After doing research on the net, I suspected either the starter relay or ignition switch. The relay is 13.99 at AutoZone, so I was just going to replace it. On a hunch, I sprayed electrical contact cleaner in the ignition switch, waited a few seconds, then tried the key. It started right up.

  • bryskilove Oct 30, 2008

    I have the same problem with my 2003 envoy, I just bought. It either starts fine, has dim lights and does nothing, or basically no power at all. I am still searching for an answer to this problem.



1 Answer

Youmay have a dead cell in your battery mine acted like yours igot it running at home i tested the battery and found it only had 10.6 volts this indicates a bad cell tip: if your battery is 4 or 5years old replace it because it needs it also you can damage your alternator by waiting till the last crank

Posted on Sep 14, 2008


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2003 envoy

I figure it out. the ignition switch was faulty. this was confusing, not reported by the computer! Replaced the witch and all is well now.....

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