Code P256B Possible Causes
Engine Idle Speed Selector Sensor/Switch circuit poor electrical connection
Engine Idle Speed Selector Sensor/Switch harness is open or shorted
Faulty Engine Idle Speed Selector Sensor/Switch
Code P256B Possible Causes
Engine Idle Speed Selector Sensor/Switch circuit poor electrical connection
Engine Idle Speed Selector Sensor/Switch harness is open or shorted
Faulty Engine Idle Speed Selector Sensor/Switch