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Definition of Diagnostic Trouble Code P0101
Category:
Powertrain
Definition:
Mass or Volume Air Flow "A" Circuit Range/PerformanceNote: This definition of P0101 is applied to all manufacturers
The belt tensioner is defective. It automatically keeps the belt at the proper tension. P0101 - MAF sensor (mass air flow sensor) or circuit problem. P0107 - MAP sensor (manifold absolute pressure sensor) signal is low.
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