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Master
437 Answers
- Posted on Oct 29, 2011
Re: Check engine light 1999 Pontiac 150,000 Mass air...
Replace the mass airflow sensor.. try used they normally will not need to be calibrated or programmed to the car. New ones cost more and are harder to get working. (and new ones cannot be returned.. used ones always work best for me..
Car runs excellent I think I got a bad Mass air flow censor ???
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