Question about 1999 GMC Jimmy

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Has bad hesatation when tacking off like its not geting fuel

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Try unplugging the mas air flow sensor.This is located in the air duct that goes from the air filter to the throttle body.If it takes off normal when unplugged then get some mass air flow sensor cleaner and remove and clean the sensor and let it air dry.You can find cleaner at most part stores.This should take care of your problem.Let me know.Good luck.

Posted on Jul 27, 2010

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