1997 GMC Yukon Logo
Posted on Mar 04, 2011
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Car turns over but wont start what is wrong? - 1997 GMC Yukon

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robert wales

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  • GMC Master 4,977 Answers
  • Posted on Mar 04, 2011
robert wales
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It could several things,do you have spark at the plugs,do you have fuel pressure is the fuel pump working,how was the car running before was it running rough or did this all of a sudden happen,fuel pumps act this way all of a sudden not working when the car is turned off.you should hear the pump run if you listen at the filler neck with the gas cap off while someone tries to start.you can try hitting the gas tank also while someone is trying to start it,if it starts when hitting the fuel tank then the pump needs to be replaced

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  • Expert 41 Answers
  • Posted on Mar 04, 2011
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The car is either not getting gas or not getting spark. It could be a weak battery, bad spark plugs or wires, bad coil pack/distributor, clogged fuel filter or spark plugs, or a defective fuel pump. These are the most common causes of this problem and and except the fuel pump and sometime fuel filter are relatively easy to replace yourself. Good luck and happy hunting!

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