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Home >> Chevrolet >> 2003 >> Impala Police >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0101: MAF System Performance >> Conditions For Setting DTC
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Conditions For Setting DTC

The PCM detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 40 seconds.

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