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) When is the obd code mean? The P0323 code is triggered when the Engine Control Module (ECM) detects…
Tag: MAZDA
P0174 MAZDA Lean Air/Fuel Ratio Bank 2
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring – Faulty fuel injectors – Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that…
P0170 MAZDA Bank 1 Adaptive Fuel Table At Calibrated Limit
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description Dirty air filter, air filter housing or Mass Air Flow (MAF) sensor, or faulty MAF…
P0171 MAZDA Lean Air/Fuel Ratio Bank 1
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
P0173 MAZDA Bank 2 Adaptive Fuel Table At Calibrated Limit
Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection When is the obd code mean? – Fuel injection system does not operate properly.– The amount of…
P2074 MAZDA Manifold Absolute Pressure/Mass Air Flow – Throttle Position Correlation at Higher Load
Possible causes – Large vacuum leak on the engine – Faulty Manifold Pressure (MAP) sensor – Faulty Throttle Position Sensor (TPS)– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2074 MAZDA OBD Code Description The Engine Control Module (ECM) has detected a failed signal correlation between the…
P0052 MAZDA HO2S Heater Control Circuit High Bank 2 Sensor 1
Possible causes – 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 Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) When is…
P0194 MAZDA Fuel Rail Pressure Sensor Signal Circuit Fault
Possible causes – High fuel pressure– Low fuel pressure – Damaged FRP sensor– Excessive resistance in the circuit– Low or no fuel– Wiring harness connector of the fuel pressure sensor– Fuel Rail Pressure Sensor– Fuel Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine will not start P0194 MAZDA OBD Code Description…
P0190 MAZDA Fuel Rail Pressure Sensor Circuit Malfunction
Possible causes – High fuel pressure– Low fuel pressure– Damaged FRP sensor– Excessive resistance in the circuit– Low or no fuel– Wiring harness connector of the fuel pressure sensor– Fuel Rail Pressure Sensor– Vacuum leaks– Fuel Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine will not start P0190 MAZDA OBD Code…
P0191 MAZDA Fuel Rail Pressure Sensor Signal Circuit Fault
Possible causes – High fuel pressure– Low fuel pressure– Damaged FRP sensor– Excessive resistance in the circuit– Low or no fuel– Wiring harness connector of the fuel pressure sensor– Fuel Rail Pressure Sensor– Vacuum leaks– Fuel Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine will not start P0191 MAZDA OBD Code…