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    Aug 12, 2013, 12:31 PM
    Chevy trailblazer 2004 error code p0452
    A problem occurred to my blazer 2004 when idle the rpm goes to 1000 and always at 1000 some times drops to 600... I've changed the cam shaft. throttle body cleaned, o2 sensor changed, spark plugs changed, fuel filter, gas pedal changed.. . when I've checke it I've got p0452 fuel pressure evap system... is it related to it

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