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2004 Ford F-150 Heritage Question: I HAVE A CODE FOR P174 AND P171.

 

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ls486704, 4.6L V8, Kayenta, AZ, August 19, 2012, 17:45
 Rookie

TRUCK RUNS ROUGH AND THE TRUCK SHUTS OFF. SOMETIME IT MISSFIRES AND HAS LOW POWER. ALRIGHT REPLACED THE MAF SENSOR.

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    Greg's Orange Auto (12205 Answers) , Orange, CA - (714) 361-9355
    globalhelper August 20, 2012, 06:33
     Master

    look for vac leak at pcv hose, very common issue other than that it could be several issues

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