P0100, P0102, P0103
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lamp on.
Limp home.
Loss of performance.
Cruise control does not work.
P0100
Mass Air Circuit Malfunction
P0102
Mass Air Flow Circuit. Low Input.
P0103
Mass Air Flow Circuit. High Input.
Fault symptoms
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Cruise control does not work.
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Conditions
The following conditions apply for this DTC:
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P0100:
Signal at 0 rpm above or below 1.2 V and 0.8 V respectively for more than 15 seconds.
Fault criteria not fulfilled for P0102, P0103, P1636 or P1637.
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P0102:
Signal on control module sensor input less than -23 kg/h for more than 1.2 seconds. The diagnosis is performed between 0-5000 rpm.
Fault criteria not fulfilled for P1636 or P1637.
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P0103:
Signal on control module sensor input greater than 780 kg/h for more than 2 seconds. The diagnosis is performed between 0-5000 rpm.
Fault criteria not fulfilled for P1636 or P1637.
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Diagnostic help
The control module uses 800 kg/h as a substitute value. The value on the diagnostic tool is the same as the substitute value.
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Turns off boost pressure diagnosis.
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