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Audi KG turbo engine MAC05 error codes

TachometerCheck Engine LightCause
1000 rpmOffRPM sensor
1000 rpmOnKnock control
2000 rpmOffIgnition timing sensor
2000 rpmOnKnock Sensor
3000 rpmOffHall sensor
3000 rpmOnIntake air temp.
4000 rpm or
6000 rpm
OffECU vacuum hose or
Idle switch
4000 rpmOnCoolant temp. sensor
5000 rpmOffECU Pressure sensor
7000 rpm OffEnd of sequence

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