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1997 Chevy Truck Dead cylinders - 5, 7, 6 & 8

Tiny
ABALL404
  • MEMBER
  • 1997 CHEVROLET TRUCK
  • V8
  • 2WD
  • AUTOMATIC
  • 152,000 MILES
The engines runs really rough, the plugs in the 5, 6, 7 & 8 cylinders are fouled out. The compression in those cylinders is between 140 and 180. The cylinders are all firing. New cap, rotor, coil, plugs and wires. Problem stil exists.

Any ideas?
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Tuesday, July 1st, 2008 AT 8:38 AM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Plugs fouled out with what oil or fuel?
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Tuesday, July 1st, 2008 AT 8:54 AM
Tiny
ABALL404
  • MEMBER
  • 2 POSTS
Plugs are black, but dry. Possibly fuel; not oil.
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Tuesday, July 1st, 2008 AT 10:31 AM
Tiny
DOCFIXIT
  • MECHANIC
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Well injectors must be leaking ie. Dirty You can have them cleaned to verefy hookup pressure gague run tthen stop observe gague if is does not and starts to fall leaking injectors.
Good luck
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Tuesday, July 1st, 2008 AT 11:39 AM

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