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1896 Isuzu Trooper Engine Stumbling

Tiny
CLIMBERJ
  • MEMBER
  • 1986 ISUZU TROOPER
  • 4 CYL
  • 4WD
  • MANUAL
  • 171,000 MILES
My Trooper just started a problem where it will, while accelerating, start to putter and kind of***** along. I have a hunch that it could be a dirty carbuerator or fuel filter. The stumble will cease when I have reached a cruising speed or I am going downhill. It is a light hesitation and the rpms do not drop. Any ideas?
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Monday, January 24th, 2011 AT 8:11 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
If the check engine light is on, have the computer scanned. If no light, check to make sure fuel pressure is withing spec. We have directions on our homepage under the DIY section. Next, check for vacuum leaks. Also, when was the last tune up?
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Monday, February 14th, 2011 AT 2:55 PM

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