ENGINE LIGHT, CODE 77

1995 Oldsmobile Achieva

Tiny

acsachieva

February, 27, 2009 AT 1:19 AM

Engine Performance problem
1995 Oldsmobile Achieva 6 cyl Front Wheel Drive Automatic 70000 miles

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.

FOUND 17083 RELATED QUESTIONS

1 Answer

Tiny

billymac

February, 28, 2009 AT 8:19 PM

Do you have vacum at the egr valve when you accell

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