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It turns over fine just will not run?

Tiny
BRANDONKIRBY
  • MEMBER
  • 1998 GMC SONOMA
  • 301,000 MILES
My truck wont start, it turns over fine just will not run. It backfires so I went and got new timing chain and put it on (lining the timing marks up) and it still wont start. I went and got new crankshaft and camshaft sensors and put them on and still wont start. The button is clean and set correctly. I dont know? Any ideas.
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Monday, November 5th, 2012 AT 3:51 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It will be a good idea to check the distributor. Check for any play on the shaft.
It will also be helpful to check the adjustment of the distributor.
If there is play on the distributor shaft it will throw off the igniting timing.
Having a bad distributor shaft can trigger misfire and no start.

You might find this video helpful:

https://youtu.be/1C52feW4WQE

I have attached distributor diagrams for your reference.

Please let me know of any questions.
Thank you.
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Wednesday, September 29th, 2021 AT 10:41 PM

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