P1312 Mercury Ignition Coil.2
Possible causes
– Faulty Exhaust Temperature Sensor
– Exhaust Temperature Sensor harness is open or shorted
– Exhaust Temperature Sensor circuit poor electrical connection
– Exhaust Temperature Sensor harness is open or shorted
– Exhaust Temperature Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Mercury Vehicle:Mercury Grand Marquis,Mercury Mariner,Mercury Milan,Mercury Mountaineer,Mercury Sable,