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2007 Suzuki XL-7 Question: Have a question on problem with my XL7 my mechanic can't find

 

Question

Hac725, Benton, MS, June 15, 2013, 18:44
 Rookie

When starting out the car makes a pull/tug action while building up speed. Off and on I hear a grinding sound. When car is at full speed this tugging seems to stop. When speed is reduced the tugging and grinding starts. My mechanic says he cannot find a thing wrong.

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  • Answer #1

    Tbone1980 August 13, 2013, 20:52
     Journeyman

    if a spark plug is cracked this would happen, It happened to me on a 1998 buick regal, same thing car would buck on acceleration but would cruise just fine...other than that I would look at either the mass airflow sensor or throttle body control....

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