Question about 2002 GMC Envoy

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Will turn over but not start in cold weather

My 2005 GMC Envoy will not start in cold weather. It will turn over until the battery dies but will not start. At times it sounds like it's trying to fire but will not. Once The vehicle has been warmed by the sun for a few hours it will start first try, what's up with this?!

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  • mzsarahscott Feb 23, 2009

    I have a 2002 GMC Envoy. It will not start in cold weather. I thought it had something to do with the battery. The battery has been replaced. It still will not start in cold weather. What do I need to do to fix it?

  • fpiccioni Feb 03, 2013

    Had the same problem. It turned out to be the computer. Now it's cold again and the same thing is happening. The computer went out of warranty two months ago and now I'll need to purchase a new one and have it re-programmed. We found that if you heat up the computer area (carefully) it will start right up. We think it is a problem with expansion/contraction as heat will make the part expand and thus make contact. Hope this helps!

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Could just be the oil if you are in a really cold environment (near or below 0), make sure to use 5w-30 versus 10w-30 which is suited for warmer climates..

Posted on Jan 06, 2009

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