My car has been stuttering when at a stop for the past day or two. Today the check engine light popped up and I went into an auto store and they ran the scan on my engine. Both codes p102 and p105 popped up. Has anyone else been having issue with 2009 cobalts like this? Is it often one or both sensors?
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It could be a mass air flow sensor or a problem in the wiring. I would recommend you take it to a shop that can do more than just pull codes. Their is a diagnostic test procedure to determine what is the cause of the problem. Beats just throw parts on it and hoping for the best.
