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Tiny
BAILEY516
  • MEMBER
  • 1993 ISUZU TRUCK
  • 4 CYL
  • 2WD
  • MANUAL
  • 187,000 MILES
My 93 Isuzu Space Cab lost some power and picked up a slight knock in the engine. When it's idoling it sounds like a bad plug but I replaced them, the wires, fuel filter, and some hose line. What else could it be. Save me please.
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Monday, January 17th, 2011 AT 1:42 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
If it has a dead miss and you have tuned it up, check fuel pump pressure. Also, continue checking for vacuum leaks. Also, make sure the plug wires are on the correct cylinders. You may need to check engine compression too if no other problems are found.
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Thursday, February 3rd, 2011 AT 4:48 PM

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