Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 2– Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection When is the obd code mean? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control…
Tag: MAZDA
P0144 MAZDA Rear HO2S Circuit High Input
Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– High Fuel Consumption– Excessive Smoke from Exhaust P0144 MAZDA OBD…
P0059 MAZDA HO2S21 Heater Control Circuit Fault
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the obd code mean? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0060 MAZDA HO2S22 Heater Control Circuit Fault
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the obd code mean? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1134 MAZDA Bank 1 Fuel Control Shifted Rich
Possible causes – Faulty HO2S Bank 1 Sensor 1– HO2S Bank 1 Sensor 1 harness is open or shorted– HO2S Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P2270 MAZDA HO2S12 Signal Stuck Lean
Possible causes – Faulty HO2S– Fuel system concern– Engine vacuum leak or open EGR valve at idle– Engine mechanical condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1133 MAZDA Bank 1 Fuel Control Shifted Lean
Possible causes – Faulty HO2S11– Faulty Mass Air Flow (MAF) sensor– Fuel system malfunction– HO2S11 harness is open or shorted– HO2S11 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0043 MAZDA HO2S Heater Control Circuit Low 12
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 fuse– Faulty Engine Control Module (ECM) Tech description The code means…
P0044 MAZDA HO2S Heater Control Circuit High 12
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 3 fuse– Faulty Engine Control Module (ECM) When is the obd code…
P0155 MAZDA HO2S21 Heater Circuit Fault
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine Control Module (ECM) Tech…