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1995 Chevrolet Truck fouled plugs#6and#8454tbi

Tiny
ERIC LINDVALL
  • MEMBER
  • 1995 CHEVROLET TRUCK
  • 180,000 MILES
Replaced all wires and plugs no help, pulled head no visible cracks. Possible bad guides/seals on only 6and8?This truck ran rough but had good compression. It burns oil on startup only but continues to run rough and lack of power ie; missing always
Tuesday, July 30th, 2013 AT 7:17 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure. Check under tbi for vacuum leak as they are known to blow gaskets there. Make sure hose going to map sensor is not soft as they suck together when running. Use choke cleaner to spray around tbi unit if rpm changes it's leaking.
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Wednesday, July 31st, 2013 AT 7:31 AM

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