P2188 MAZDA System Too Rich At Idle Bank 1

Possible causes – Leaking fuel injector or pressure regulator– High fuel pressure condition– Faulty Oxygen (O2) Sensor– Faulty Mass Air Flow (MAF) sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) MAZDA Related P2188 code 2004 MAZDA MAZDA3 Electrical System 2005 MAZDA MAZDA3 Electrical System

P1132 MAZDA HO2S11 Rich Condition

Possible causes – Leaking injector, regulator or excessive fuel pressure– Engine vacuum leak or open EGR valve at idle– Engine mechanical condition– Faulty HO2S or Mass Air Flow (MAF) sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1132 MAZDA OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at…

P0128 MAZDA Coolant Thermostat Malfunction

Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description There is a service bulletin for the following Mazda models: 2004-2005 Mazda3 vehicles2006-2007 Mazda5 vehiclesMazda…

P0604 MAZDA ECM RAM error

Possible causes – Loose or poor battery terminal connection– Low battery charge– ECM power supply circuit is open or shorted– ECM Programing– Faulty ECM Tech description Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM. When…

P0603 MAZDA ECM malfunction

Possible causes – Loose or poor battery terminal connection– Low battery charge– ECM power supply circuit is open or shorted– ECM Programing– Faulty ECM Tech description Start by charging the vehicles battery and clean terminal, once the battery is charged and the terminals are clean and secure, erase code. If the code comes back ON…

P0562 MAZDA System Voltage Low

Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. When is the obd code mean? The Engine Control Module (ECM) has detected that the electrical system voltage level is out of range. Symptoms…

P2507 MAZDA PCM Input Signal Low

Possible causes – Low battery voltage– Faulty Powertrain Control Module (PCM)– PCM harness is open or shorted– PCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2507 MAZDA OBD Code Description When the ignition switch is turned “ON”, battery voltage is applied from the battery to the Powertrain…

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…