P050B FORD – Cold Start Ignition Timing Performance

P050B FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P050B FORD Possible Causes

Intake air restriction (possible dirty air filter),Exhaust restriction,Engine mechanical concern,Damaged or sludged Electronic Throttle Body (ETB),Vacuum leaks,Faulty Powertrain Control Module (PCM)

P050B FORD Description

The monitor compares commanded spark timing to the spark timing desired by the Powertrain Control Module (PCM).