Possible causes – Warm Up Three Way Catalytic converter deterioration or malfunction– Exhaust system leaks– Loose front or rear HO2Ss– Faulty front heater O2 sensor– O2 sensors harness is open or shorted– O2 sensors poor electrical connection Tech description As the code description implies the P0421 code means that the vehicle’s control module has detected…
Tag: MAZDA
P0431 MAZDA Warm Up Catalyst System LH Efficiency Below Threshold
Possible causes – Warm Up Three Way Catalytic converter deterioration or malfunction– Exhaust system leaks– Loose front or rear HO2Ss– Faulty front heater O2 sensor– O2 sensors harness is open or shorted– O2 sensors poor electrical connection Tech description As the code description implies the P0431 code means that the vehicle’s control module has detected…
P0234 MAZDA Turbo/Supercharger Overboost Condition
Possible causes – Wastegate control solenoid valve damaged– Vacuum hose loose or damaged– Wastegate control solenoid valve damaged Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0234 MAZDA OBD Code Description The boost pressure sensor responds to pressure changes in the intake manifold. This pressure is created by the turbocharger and changes…
P1000 MAZDA OBDII Drive Cycle Malfunction
Possible causes – The vehicle is new from the factory.– Battery or Powertrain Control Module (PCM) had recently been disconnected.– An OBD monitor failure occurred before completion of an OBD drive cycle.– PCM Detected Trouble Codes (DTC) have recently been cleared with a scan tool. Tech description This code just means that the PCM didn’t…
P0420 MAZDA Catalyst System Efficiency Below Threshold Bank 1
Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way…
P0430 MAZDA Catalyst Efficiency Monitor Malfunction Bank 2
Possible causes – Three way catalyst converter Bank 2– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0430 code means that the vehicle’s control module has detected that the three-way…
P2111 MAZDA Throttle Actuator Control System – Stuck Open
Possible causes – Throttle Body Plate Binding– Faulty Throttle Actuator– Throttle Actuator harness is open or shorted– Throttle Actuator circuit poor electrical connection When is the obd code mean? Throttle valve locked during Engine Control Module (ECM) order to close Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2111 MAZDA OBD Code…
P2112 MAZDA Throttle Actuator Control System – Stuck Closed
Possible causes – Throttle Body Plate Binding– Faulty Throttle Actuator– Throttle Actuator harness is open or shorted– Throttle Actuator circuit poor electrical connection When is the obd code mean? Throttle valve locked during Engine Control Module (ECM) order to open Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2112 MAZDA OBD Code…
P0221 MAZDA Throttle/Pedal Position Sensor B Circuit
Possible causes – Throttle Position Sensor (TPS) harness is open or shorted– Throttle Position Sensor (TPS) circuit poor electrical connection– Faulty Throttle Position Sensor (TPS)– Fault Electric Throttle Control Actuator (or Throttle Body Motor)– Accelerator Pedal Position Sensor (APP) When is the obd code mean? An unexpected voltage from the Throttle Position Sensor (TPS) is…
P1639 MAZDA PCM Program Error
Possible causes – Reprogram computer– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) MAZDA Related P1639 code 2001 MAZDA TRIBUTE Power Train 2002 MAZDA TRIBUTE Power Train 2001 MAZDA B2300 Power Train 2002 MAZDA B2300 Power Train 2001 MAZDA B2500 Power Train 2002 MAZDA B2500 Power Train…