1995 OLDSMOBILE ACHIEVA ENGINE LIGHT, CODE 77

  • Tiny
  • Acsachieva
  • 1995 OLDSMOBILE ACHIEVA

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.

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Friday, February 27th, 2009 AT 1:19 AM

1 Reply

  • Tiny
  • Billymac
  • EXPERT
  • 2,240 POSTS

Do you have vacum at the egr valve when you accell

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Saturday, February 28th, 2009 AT 8:19 PM

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