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alabama
User
Apr 15, 2009, 3:57 PM
Post #1 of 2
(2497 views)
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92 pontiac grand am
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I HAVE 92 GRAND AM WITH A 3.1 ENGINE IT HAS FLUNKED SMOG 3 TIMES AT BETWEEN 3500 & 4000 RPM THE MOTOR SEEMS TO CUT OUT BUT IS NOT MISSING THE FUEL PRESSURE IS PERFECT
franklin
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Loren Champlain Sr
Veteran
/ Moderator
Apr 15, 2009, 4:19 PM
Post #2 of 2
(2492 views)
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Re: 92 pontiac grand am
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I'd be very surprised that they are winding the engine that high while taking the exhaust sample. Is this being done on a dyno, or static two speed test? Post the readings that they are getting at cruise.
Loren
SW Washington
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