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Repair on 98 GMC pick-up truck

Tiny
PBRYAND13007
  • MEMBER
  • 1998 GMC TRUCK
  • V8
  • AUTOMATIC
I have a 98 GMC 1500 series pick-up and have replaced all fuel injectors, coil pack, spark plugs, wires, distributor, ignition control module and it the diagnostics keeps saying there is a misfire in cylinder 2, also all O2 sensors, cataylic converter has all been replaced. Can't seem to figure out what else to do to make it run good. Anyone have any advice?
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Friday, January 7th, 2011 AT 5:45 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check no.2 cylinder's compression
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Friday, January 7th, 2011 AT 6:54 AM
Tiny
PBRYAND13007
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  • 6 POSTS
The truck misfires and runs rough. I will check the compression in the morning.
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Friday, January 7th, 2011 AT 7:46 AM
Tiny
PBRYAND13007
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  • 6 POSTS
It dont seem like it is getting the fuel it needs.
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Friday, January 7th, 2011 AT 7:47 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Also check the fuel pressure if its within specs-
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Friday, January 7th, 2011 AT 8:12 AM
Tiny
PBRYAND13007
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  • 6 POSTS
I will check this out in the morning. Thanks for your help
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Friday, January 7th, 2011 AT 8:18 AM

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