P0068 CHEVROLET MAP/MAF – Throttle Position Correlation

Possible causes

– Air leak between the MAF sensor and throttle body
– Dirty Throttle body or Mass Air Flow (MAF) sensor
– Throttle Position (TP) sensor not seated properly
– Faulty Throttle Position (TP) sensor
– Faulty Mass Air Flow (MAF) sensor

When is the obd code mean?

If the PCM detects that the difference between the actual air flow (MAF) and the speed density calculated air flow is greater than expected, DTC P0068 sets.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Lack/Loss of power
– Engine rough idle

P0068 CHEVROLET OBD Code Description