still have problem

1988 GMC VAN
100,000 MILES
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ALFREDES
  • MEMBER
  • 3 POSTS
checked all things you said and replaced distributor, advanced timing, emptied beads out of plug in catalytic converter and swapped out fuel meter body. I am still having problems.
Jul 6, 2016 at 8:02 AM
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
so what is problem? scan for codes and check fuel pressure with a gauge should be 9-11 psi if tbi if carburetor much lower.
Jul 6, 2016 at 8:05 AM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi again. First, I think we need to make sure that the exhaust system isn't blocked (even though you worked on that). Next, we need to check engine compression.
Jul 14, 2016 at 6:44 PM