CAR OBD CODES

P1391 OBD Code Definition:
Intermittent Loss of CMP or CKP
P1391 OBD Code Description:

Possible Causes

• Camshaft Position Sensor Bank 2 faulty

• Check Camshaft Adjustment
• Check Camshaft Position Sensor Bank 2
• Low Input (min) 1 Check the wiring, PG3 sensor 2 Check crankshaft signal and Camshaft signal with oscilloscope ————– – ———–PG3 – – , – – – DG Number of teeth has to be 60-2 2 Check crankshaft signal and Camshaft signal with oscilloscope when variable camshaft is active