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    Help - 2003 Chevrolet S10 Crew 4.3l 152K code P0442?

    This is a discussion on Help - 2003 Chevrolet S10 Crew 4.3l 152K code P0442? within the Chevrolet forum, part of the Automobiles category; Has following symptoms: * Occasional P0442 * Poor MPG, down to about 16 * Slightly rough idle * Pinging while ...


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    Old 12-07-2007   #1
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    Default Help - 2003 Chevrolet S10 Crew 4.3l 152K code P0442?

    Has following symptoms:
    * Occasional P0442
    * Poor MPG, down to about 16
    * Slightly rough idle
    * Pinging while pulling steep hills at highway speeds
    * Rattling sound when accelerating

    So far I have replaced the plugs, dist cap, charcoal filter assy and gas cap, that helped, reduced the code from P0455 to P0442, but no cure.
    Indiana Jones is offline  
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    Old 12-07-2007   #2
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    Your two codes are both related to vaccum leaks
    Ronnie Wrench is offline  
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