P1349 Chevrolet Variable Valve Timing System Malfunction Bank 1

P1349 Chevrolet Variable Valve Timing System Malfunction Bank 1 Possible causes – Dirty or low engine oil– Valve timing– Oil control valve– Variable Valve Timing controller assembly– Engine Control Module (ECM) What about the obd code? The P1349 Chevrolet code is triggered when the valve timing does not change from of current valvetiming or the…

P1346 Chevrolet #6 Ion Line Open

P1346 Chevrolet #6 Ion Line Open Possible causes – Faulty Intake Camshaft Position sensor– Faulty Camshaft Position Solenoid Valve– Engine mechanical condition – Valve timing off– Intake Camshaft Position sensor harness is open or shorted– Intake Camshaft Position sensor circuit poor electrical connection What about the obd code? The Powertrain Control Module (PCM) detected the…

P1345 Chevrolet #5 Ion Line Open

P1345 Chevrolet #5 Ion Line Open Possible causes – Engine mechanical condition-Valve timing off– Cam sensor or crank sensor are loose on their mounting– Faulty camshaft position sensor– Faulty crankshaft position sensor Tech description If this DTC started after recent internal engine repairs, inspect for proper engine mechanical timing. With the camshaft cover removed and…

P1335 Chevrolet Crankshaft Position Sensor Circuit Fault

P1335 Chevrolet Crankshaft Position Sensor Circuit Fault Possible causes – Crankshaft position (CKP) sensor harness is open or shorted – Crankshaft position (CKP) sensor circuit poor electrical connection – Crankshaft position sensor may be faulty – Signal plate may be damage – Starter motor may be faulty – Starting system circuit – Dead or weak…

P1336 Chevrolet Crankshaft Position Sensor

P1336 Chevrolet Crankshaft Position Sensor Possible causes – Faulty Crankshaft Position Sensor– Crankshaft Position Sensor harness is open or shorted– Crankshaft Position Sensor circuit poor electrical connection– Signal plate may be damage– Starter motor may be faulty– Starting system circuit– Dead or weak battery Tech description Sometimes and in some models, low battery voltage or…