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Engine Light Will not Reset
Thread Starter
Track Day
Joined: Dec 2003
Posts: 17
Likes: 0
Engine Light Will not Reset
Took in my 911 C4 2 for service bc of CEL. I was diagnosed with air intake leak that was repaired.
CEL came back on and was reset but came on again 2 days later while driving.
Brought car back to mechanic. He checked O2 sensor, MAF, purge valve,fuel pressure etc w computer. Everything was functioning normal per computer. He recalibrated the CEL 'system'.
Anyone have any idea why the CEL wont reset even though computer determined each aspect of CEL component to be functioning well?
Thank you!
CEL came back on and was reset but came on again 2 days later while driving.
Brought car back to mechanic. He checked O2 sensor, MAF, purge valve,fuel pressure etc w computer. Everything was functioning normal per computer. He recalibrated the CEL 'system'.
Anyone have any idea why the CEL wont reset even though computer determined each aspect of CEL component to be functioning well?
Thank you!
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Drifting
Joined: May 2006
Posts: 2,444
Likes: 8
From: Another Ex pat Brit in SoCal
Just contact to them is intermittently lost.
Troubleshooting such issues is always a pain, but do a search here for some background info.
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