1993 Oldsmobile Cutlass 93 sutlass supreme loops wen runnin

1993 OLDSMOBILE CUTLASS
14,699 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
TIMOSKEE
  • MEMBER
  • 5 POSTS
im working on a 93 cutlass supreme with a 3.1l multiport fi. i have changed the plugs and gapped them .045 which is wat the label under the hood reqiured, i also have changed the intake plenum gaskets and the coils and module. the car still loops i also have checked the fuel pressure and it reads 40psi which it should. i dnt know wat else 2 do... HELP!!!!
Oct 24, 2010 at 5:25 PM
Avatar
WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Remove the EGR valve and see if it is stuck open from a piece of carbon or something.
Oct 25, 2010 at 12:28 AM
Avatar
TIMOSKEE
  • MEMBER
  • 5 POSTS
it is actually losing air out of the egr so im going to replace it and the cat converter is rattling so im thinking that it is also bad. thanx
Oct 25, 2010 at 11:35 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
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.

Ask a new question

Frequently Asked Problems for This Vehicle