P0100, P0101
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Check Engine lamp on. Poor performance.
P0100
Mass Air Flow Circuit. High Input.
P0101
Mass Air Flow Circuit. Low Input.
Fault symptom
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Check Engine lamp on. Poor performance.
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Conditions
The following conditions apply for the DTC in question:
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P0100:
Voltage on control module sensor output exceeds 5.2 V for 6 seconds.
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P0101:
Voltage on control module sensor input less than 0.6 V for more than 0.3 seconds.
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Diagnostic help
The control module uses a substitute value of 800 mg/combustion. The reading on the diagnostic tool is the same as the substitute value.
