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Engine not starting

Tiny
DANE_B
  • MEMBER
  • 1997 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 111,789 MILES
This morning I went outside to start my truckand it will turn over but it will not run, sounds like thatits back firing through the intake! Can smell gas. Around a year a go replaced plugs plug wires rotor button and cap, new fuel filter, and intake gasket, and water pump two months ago, so what is the problem? Could ot have jump timing?

thanks Dane B
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Tuesday, January 18th, 2011 AT 2:14 PM

5 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If good spark at all plugs. Use a gage and check fuel pressure. Check compression.
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Tuesday, January 18th, 2011 AT 9:07 PM
Tiny
DANE_B
  • MEMBER
  • 2 POSTS
I beleave it has jump timing
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Tuesday, January 18th, 2011 AT 9:56 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
OK
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Tuesday, January 18th, 2011 AT 9:57 PM
Tiny
HENRIETTA PUDDLEDUCK
  • MEMBER
  • 1 POST
I used to have this problem quite frequently. Turns out that moisture was getting into the distributor cap. Just because.I changed the plugs, wires, rotor button and distributor cap. Sprayed some wd-40 on the cap, rubbed it in real good and haven't had a problem since. I highly recommend that you use AC DELCO parts. Hope this helps you.
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Thursday, January 30th, 2020 AT 6:40 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,973 POSTS
Please feel free to use 2CarPros anytime!
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Saturday, February 1st, 2020 AT 11:41 AM

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