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Has compression and spark, but it will not start

Tiny
HOFFMANMJR
  • MEMBER
  • 1989 CHEVROLET
  • 150,000 MILES
I have a 1989 Chevy 2500 that will crank, has compression, and spark, but it will not start. I believe it is a fuel problem, but how can I tell where the problem is - in the fuel pump, or the sending unit, or elsewhere

It started 2 days ago, but when I went to restart it a minute later, it would not start.
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Saturday, February 4th, 2012 AT 7:58 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Check to see if there is fuel pressure to the engine. For directions, go to our homepage under the DIY section. There are detailed instructions and a video to show how to do it.
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Saturday, February 4th, 2012 AT 8:01 PM
Tiny
JIMMY LAIRSEY
  • MEMBER
  • 2 POSTS
Crankcase position sensor is probag what's wrong with it.
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Wednesday, December 22nd, 2021 AT 7:14 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi Jimmy,

What do you mean by probag? Also, is this the same year, make, and model as listed above? Also, let me know what engine is in the vehicle.

If you haven't already, check to see if there are codes stored that may point us in the right direction. Follow the link below.

https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

Let me know as much as possible.

Take care and I'll watch for your reply.

Joe
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Wednesday, December 22nd, 2021 AT 5:07 PM

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