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1988 Pontiac Fiero runs poorly

Tiny
CLIFFGUTMAJER
  • MEMBER
  • 1988 PONTIAC FIERO
  • 6 CYL
  • 2WD
  • MANUAL
  • 115,000 MILES
In July I had a local service center do a fuel injector cleaning on my car. I thought that the engine would run smoother. I had since changed the plugs, o2 sensor, fuel filter, air filter and pcv valve. The engine was running ok but not perfect. Now after the procedure, It is hard to start, does not idle at all. The car cannot be driven. Do you think the plugs are bad or is this a fuel injector problem. Any help would be appreciated. One moe thing, where are the injectors located if I have to remove them? This is a v6 1988 fiero gt 5 speed. Thanks.
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Tuesday, September 9th, 2008 AT 9:44 AM

1 Reply

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
I have a Fiero GT, and it was running just like yours, I changed everything you changed, but it did not fix it, I did a fuel pressure check, and I had a week fuel pump, so my advice to you is checked your fuel pressure. Furthermore, the injectors are located under the intake manifold you will have to remove the intake manifold to get to the injector rails.
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Wednesday, March 4th, 2009 AT 9:22 PM

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