Category: OBDii Powertrain Codes

P0329 Knock Sensor Circuit Intermittent Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Engine Control Module (ECM) Tech description The P0329 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems….

P0316 Mercury Misfire Detected On Startup First 1000 Revolutions Possible causes – Faulty Crankshaft Position (CKP)– Crankshaft Position (CKP) sensor harness is open or shorted– Crankshaft Position (CKP) sensor circuit poor electrical connection– Ignition System– Fuel Injectors– Running out of fuel – Fuel Quality– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or…

P0316 Misfire Detected In First 1000 Revolution Window Possible causes – Faulty Crankshaft Position (CKP)– Crankshaft Position (CKP) sensor harness is open or shorted– Crankshaft Position (CKP) sensor circuit poor electrical connection– Ignition System– Fuel Injectors– Running out of fuel – Fuel Quality– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service…

P0317 Rough Road Hardware Not Present Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine Misfire– Engine Run Rough

P0318 Rough Road Sensor A Signal Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine Misfire– Engine Run Rough

P0319 Rough Road Sensor B Signal Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine Misfire– Engine Run Rough

P0320 Ignition/Distributor Engine Speed Input Circuit Possible causes – Faulty Ignition/Distributor engine speed sensor– Faulty Crankshaft Position sensor– Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0320 code is triggered when the…

P0321 Crankshaft Sensor Circuit Malfunction Possible causes – Faulty Ignition/Distributor engine speed sensor– Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Faulty Crankshaft Position sensor– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0321 code is triggered when the Engine…

P0322 Ignition/Distributor Engine Speed Input Circuit No Signal Possible causes – Faulty Ignition/Distributor engine speed sensor– Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Faulty Crankshaft Position sensor– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0322 code is triggered…

P0323 Ignition/Distributor Engine Speed Input Circuit Intermittent Possible causes – Ignition/Distributor engine speed sensor harness is open or shorted– Ignition/Distributor engine speed sensor circuit poor electrical connection– Faulty Ignition/Distributor engine speed sensor– Faulty Crankshaft Position sensor– Low battery charge– Faulty Engine Control Module (ECM) What about the obd code? The P0323 code is triggered when…

P0324 Knock Control System Error Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Engine Control Module (ECM) Tech description The P0324 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems….

P0325 Sensor Circuit Malfunction Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Engine Control Module (ECM) Tech description The P0325 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems. Replacing…

P0326 Knock Sensor Signal 1 Possible causes – Faulty knock sensor– Knock sensor circuit poor electrical connection– Knock sensor harness is open or shorted– Faulty Engine Control Module (ECM) Tech description The P0326 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems….

P0315 No Crank Sensor Learned Possible causes – Faulty Crankshaft Position (CKP)– Crankshaft Position (CKP) sensor harness is open or shorted– Crankshaft Position (CKP) sensor circuit poor electrical connection– Damaged crankshaft pulse wheel teeth Tech description Visual inspection of the Crankshaft Position (CKP) sensor and crankshaft pulse wheel teeth for damage. If crankshaft teethes are…

P0306 Cylinder 6 Misfire Fault Detected Possible causes – Faulty spark plug 6– Clogged or faulty fuel injector 6– Faulty ignition coil 6– Fuel injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection– Ignition coil 6 harness is open or shorted– Ignition coil 6 circuit poor electrical connection– Insufficient cylinder…

P0307 Cylinder 7 Misfire Condition Possible causes – Faulty spark plug 7– Clogged or faulty fuel injector 7– Faulty ignition coil 7– Fuel injector 7 harness is open or shorted– Fuel injector 7 circuit poor electrical connection– Ignition coil 7 harness is open or shorted– Ignition coil 7 circuit poor electrical connection– Insufficient cylinder 7…

P0308 Cylinder 8 Misfire Condition Possible causes – Faulty spark plug 8– Clogged or faulty fuel injector 8– Faulty ignition coil 8– Fuel injector 8 harness is open or shorted– Fuel injector 8 circuit poor electrical connection– Ignition coil 8 harness is open or shorted– Ignition coil 8 circuit poor electrical connection– Insufficient cylinder 8…

P0309 Cylinder 9 Misfire Condition Possible causes – Faulty spark plug 9– Clogged or faulty fuel injector 9– Faulty ignition coil 9– Fuel injector 9 harness is open or shorted– Fuel injector 9 circuit poor electrical connection– Ignition coil 9 harness is open or shorted– Ignition coil 9 circuit poor electrical connection– Insufficient cylinder 9…

P0310 Cylinder 10 Misfire Condition Possible causes – Faulty spark plug 10– Clogged or faulty fuel injector 10– Faulty ignition coil 10– Fuel injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection– Ignition coil 10 harness is open or shorted– Ignition coil 10 circuit poor electrical connection– Insufficient cylinder 10…

P0311 Cylinder 11 Misfire Condition Possible causes – Faulty spark plug 11– Clogged or faulty fuel injector 11– Faulty ignition coil 11– Fuel injector 11 harness is open or shorted– Fuel injector 11 circuit poor electrical connection– Ignition coil 11 harness is open or shorted– Ignition coil 11 circuit poor electrical connection– Insufficient cylinder 11…