Category: Chevrolet

P1435 Chevrolet A/C Refrigerant Temperature Circuit Range/Performance Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1436 Chevrolet A/C Evaporator Air Temperature Circuit Low Possible causes ACET circuit short to ground or SIG RTN. Damaged ACET sensor. Damaged PCM. Tech description The PCM sources a low current 5 volts on the ACET circuit (this voltage can be measured with the sensor disconnected). As the A/C evaporator air temperature changes, the ACET…

P1429 Chevrolet Electric Air Pump Primary Failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1430 Chevrolet Electric Air Pump Secondary Failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1431 Chevrolet Fuel Level Sensor 2 Circuit Performance

P1432 Chevrolet Fuel Level Sensor 2 Circuit Low Voltage

P1425 Chevrolet EGI Glow Plug Secondary Failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1426 Chevrolet Tank Ventilation Valve Open Circuit Possible causes – Faulty EVAP Canister Purge Regulator Valve– EVAP Canister Purge Regulator Valve harness is open or shorted– EVAP Canister Purge Regulator Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1426 Chevrolet Description Evaporative Emissions (EVAP) canister purge regulator…

P1427 Chevrolet EGI Mini – MAF Failed Short Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1428 Chevrolet EGI Mini – MAF Failed Open Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1421 Chevrolet Cold Start Control Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) What about the obd code? The P1421 Chevrolet code is detected when The Engine Control Module (ECM) does not control ignition timing and engine…

P1422 Chevrolet EGI Temperature Sensor Failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1423 Chevrolet Intake Air High Pressure Switch Circuit High Voltage

P1424 Chevrolet EGI Glow Plug Primary Failure Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1417 Chevrolet Port Air Relief Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1418 Chevrolet Split Air #1 Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1419 Chevrolet Split Air #2 Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1420 Chevrolet Intake Air Low Pressure Switch Circuit Low Voltage

P1416 Chevrolet Port Air Circuit Malfunction/ (AIR) System Bank 2 Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1411 Chevrolet SAI System Incorrect Downstream Flow Detected Symptoms – Engine Light ON (or Service Engine Soon Warning Light)