1988 GMC Jimmy wont start

1988 GMC JIMMY
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ODDCAT17
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  • 1 POST
1988 GMC Jimmy 4 cyl Four Wheel Drive Automatic

i have a 1988 jimmy gmc that wont start. it wants to start but wont. i have put in a new fuel pump, fuel filter, and fuel injectors. i blew out all the fuel lines too it is getting gas throught the fuel injectors but still wont start. it has a new battery and a new alternator as well
Sep 1, 2010 at 5:02 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Any applicable trouble codes? Check fuel pressure, 9--13 psi. Can you see an injector spray pattern? Even if you see a pattern that doesn't mean the pressure is good. Engine cranking, do you have spark at the plugs? If all that checks out, I'd have to check compression.
Sep 1, 2010 at 5:45 AM
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