1995 Oldsmobile Achieva Engine Light, Code 77

1995 OLDSMOBILE ACHIEVA
70,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
ACSACHIEVA
  • MEMBER
  • 1 POST
Hello,
Below 60mph the engine light does not come on. Above, it comes on and trips a code 77.
I replaced the EGR, replaced the tube, reset by disconnecting the battery, then through dealer.

It still triggers the code and can not figure it out.
Feb 26, 2009 at 5:19 PM
Avatar
BILLYMAC
  • ✓Experienced Mechanic
  • 2,204 POSTS
do you have vacum at the egr valve when you accell
Feb 28, 2009 at 12:19 PM
🔧 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