P1309 Buick Misfire Detection Monitor Not enabled
Possible causes
– Synchronizer Assembly not properly installed.
– Verify the cam sensor is synchronized
– Faulty Engine Control Module (ECM)
– Verify input sensor parameters are correct
– Verify the cam sensor is synchronized
– Faulty Engine Control Module (ECM)
– Verify input sensor parameters are correct
What about the obd code?
Engine Control Module (ECM) disabled the misfire monitor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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