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Old 04-24-2010, 06:46 PM
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Default 96 blazer bucking

1996 blazer...misfiring.. p0300 and p0140...rich smell and while driving at normal speed bucks and sputters but under accelleration doesn't miss at all...new wire/cap/button/plugs/cleaned egr..nothing changes...done a water mist test on wires and cap last night and could see spark jumping...i'm lost
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Old 04-25-2010, 12:41 PM
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Have you read these threads? I think the one you should be most concerned with is the first one. P0140 should not be causing a drivability issue.

P030x Explained (x=0,1,2,3,4,5,6)

Anybody know what code P0140 means
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Old 04-25-2010, 04:14 PM
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P0140 has no impact on engine performance.

Have a read through the P030x thread and the link to the rather lengthy P0300 thread at the bottom of the diagnostic page.
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1995, 1996, 2002, 96, blazer, blazzer, bucking, chevy, chevyy, code, misfire, misfiring, p0140, p0300, po140, rich, smells


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