1988 Pontiac Fiero runs poorly

1988 PONTIAC FIERO
115,000 MILES • 6 CYL • 2WD • MANUAL
Avatar
CLIFFGUTMAJER
  • MEMBER
  • 1 POST
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.
Sep 9, 2008 at 9:44 AM
Advertisement
Avatar
DR LOOT
  • ✓ASE Certified Mechanic
  • 2,311 POSTS
  • ASE Certified Mechanic
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.
Mar 4, 2009 at 9:22 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.