1991 Pontiac Firebird picking up speed

160,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
DMC9393
  • MEMBER
  • 1 POST
i have a 1991 pontiac firebird and where the carburator goes i have to fuel injectors and go in a 350 chevy and they started to leak and gas got in the oil and i changed that and put new spark plugs in it but then the other injector went bad and i changed that and now my car doesn't pick up speed and if i go over 2000 rpms it really starts to run like crap what could be the problem
Jan 30, 2010 at 6:01 AM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure, test the TPS and MAP sensors-
Jan 30, 2010 at 8:07 AM
Add a reply
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.

Frequently Asked Problems for This Vehicle