1996 Pontiac Grand Am EVAP & EGR Monitors

1996 PONTIAC GRAND AM
17,000 MILES • 6 CYL • FWD • AUTOMATIC
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LATENIGHTROME
  • MEMBER
  • 1 POST
I FINALLY figured out that a clogged passage port to the egr valve, and a disconnected evap service line was the the cause of 2 trouble codes I was getting. Fixed that! Cleared the codes, and drove the car for a few days. Evap & egr monitors never set to ready. First mistake, I disconnected the negative cable from the battery. Drove for 2 weeks (highways & streets), and still Not Ready.

Car runs, and sounds a lot better than when the egr passage was still clogged. Tried this drive cycle I found online, but still didn't work. Any ideas welcomed, and thanks in advance!
Apr 25, 2009 at 8:13 AM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Hi LateNightRome, GM does not provide any specific procedure for driveability relearn and I hope the attached info helps.


https://images.2carpros.com/forum/automotive_pictures/192750_RelearnPCMGM_1.jpg

Apr 28, 2009 at 1:29 PM
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