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Thread: service engine soon light
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09-05-2007, 04:10 PM #1
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- Sep 2005
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- ft worth
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- 48
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- 17
service engine soon light
it's a 2001 firebird (V-6)
the catalytic converter started making a rattling noise when the motor was cold, but quit after it warmed up. not too long after that the light came on. autozone scanner said "catalyst effeciency low-bank 1". i put a new cat on and the light has not gone out. it has been driven about 85 miles. anyone know something i can try? thanks in advance. ryan.
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09-05-2007, 04:19 PM #2
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- Jul 2005
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- Jacksonville, FL
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- 2,723
How many miles? Stock cats are covered under the federal emissions warranty - 8 yrs/80K.
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09-05-2007, 05:01 PM #3
it might relearn it self, but long shot disconect the battery for a while then connect, then start, from what i heard
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09-05-2007, 05:03 PM #4
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- Sep 2005
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- ft worth
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- 48
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- 17
84,000 miles and i tried the battery, but only left it disconnected for a few minutes.
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09-05-2007, 05:09 PM #5
You either have to clear the code with a scanner,,,not sure if the autozone code checkers can do that or not but worth a shot.
Or,,,,,,,if the problem is truely fixed and the code was not cleared,,,,it will eventually clear itself after so many key cycles,,,not sure how many but it's up there,,,,like 30-40?
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09-05-2007, 06:53 PM #6
there is a relearn process that i heard of too, never tried it, but goes like this
crank over, run for 5 min, turn off, key in on pos, for 5 min, turn off, drive for 5 min, im all most positve its not in order or correct but i have heard that process being discuss a while back
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