1997 GMC Yukon Won't start

1997 GMC YUKON
160,000 MILES • V8 • 4WD • AUTOMATIC
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ONEBOB123
  • MEMBER
  • 1 POST
When i turn it over the engine will turn over but will not start and when i let off the key from trying to start it it makes a clunk noise. I have had the starter rebuilt.
Jan 8, 2010 at 2:20 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
welcome to the forum, if it cranks good but won't start, have a helper crank it, while you check for spark at the plugs. If you have spark everywhere, use a gage and check fuel pressure. Some of the national brand autostores used to loan fuel pressure gage. You can call and ask. They also have a spark tester. You pull a spark plug boot loose, stick tester in boot, a known good spark plug will work also. You ground tester or plug to metal part of engine, watch for spark as the engine is cranked.
Jan 8, 2010 at 2:38 AM
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