Possible causes – EGR Valve clogged, dirty or leaky– EGR valve damaged/defective– EGR volume control solenoid valve– EGR temperature sensor and circuit– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection When is the obd code mean? An improper voltage signal is sent to ECM…
Tag: HONDA
P0404 HONDA Exhaust Gas Recirculation Valve Circuit Range/Performance
Possible causes – EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? An improper voltage signal is sent to ECM through the valve Symptoms – Engine Light ON (or…
P0606 HONDA ECM Processor Malfunction
Possible causes – Engine Control Module (ECM) Harness power supply circuit is open or shorted– Engine Control Module (ECM) Programming– Faulty Engine Control Module (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….
P2647 HONDA VTEC Oil Pressure Switch Circuit High Voltage
Possible causes – Check engine oil level and pressure– Faulty VTEC Oil Pressure Switch– VTEC Oil Pressure Switch harness is open or shorted– VTEC Oil Pressure Switch circuit poor electrical connection Tech description For the 2003
P2648 HONDA VTEC Solenoid Valve Circuit Low Voltage
Possible causes – Check engine oil level and pressure– Faulty VTEC Solenoid Valve– VTEC Solenoid Valve harness is open or shorted– VTEC Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2648 HONDA OBD Code Description The VTEC system activates the rocker arm oil control solenoid (VTEC…
P1162 HONDA Air/Fuel Ratio Sensor 1 Circuit Malfunction
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1162 HONDA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…
P1163 HONDA Air/Fuel Ratio Sensor 1 Slow Response
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1163 HONDA OBD Code Description
P1165 HONDA Air/Fuel Ratio Sensor 1 Circuit Range/Performance
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1165 HONDA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…
P1166 HONDA Air/Fuel Ratio Sensor 1 Heater Circuit Malfunction
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1166 HONDA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system…
P2237 HONDA Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 IP Line High Voltage
Possible causes – Air/Fuel Ratio Sensor Bank 1 harness is open or shorted– Air/Fuel Ratio Sensor Bank 1 circuit poor electrical connection– Faulty Air/Fuel Ratio Sensor Bank 1– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description For the following Honda models: 2003