Possible causes – Faulty Air/Fuel Ratio Sensor 1– Air/Fuel Ratio Sensor 1 harness is open or shorted– Air/Fuel Ratio Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1149 ACURA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system and detects…
Tag: ACURA
P1159 ACURA Air/Fuel Ratio Sensor 1 AFS+ Terminal Low Voltage
Possible causes – Faulty Air/Fuel Ratio Sensor 1– Air/Fuel Ratio Sensor 1 harness is open or shorted– Air/Fuel Ratio Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1159 ACURA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system and detects…
P1164 ACURA Air/Fuel Ratio Sensor 1 Range/Performance Problem
Possible causes – Faulty Air/Fuel Ratio Sensor 1– Air/Fuel Ratio Sensor 1 harness is open or shorted– Air/Fuel Ratio Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1164 ACURA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system and detects…
P1167 ACURA Air/Fuel Ratio Sensor 1 Heater System Malfunction
Possible causes – Faulty Air/Fuel Ratio Sensor 1– Air/Fuel Ratio Sensor 1 harness is open or shorted– Air/Fuel Ratio Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1167 ACURA OBD Code Description The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system and detects…
P1109 ACURA BARO Sensor Circuit Out of Range High
Possible causes – Engine Control Module (ECM) outdated or incorrect software– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine rough idle– Engine hesitation P1109 ACURA OBD Code Description The barometric pressure (BARO) sensor is built into the Engine Control Module (ECM) and monitors atmospheric pressure. The…
P0630 ACURA VIN Not Programmed or Mismatch
Possible causes – Engine Control Module (ECM) Programming error– Vehicle Identification Number (VIN) not programmed to ECM– Faulty or wrong ECM Tech description If a new ECM is installed in a vehicle, the Vehicle Identification Number (VIN) has to be reprogrammed to the new Engine Control Module (ECM). When is the obd code mean? DTC…
P1128 ACURA Manifold Absolute Pressure Sensor Signal Lower Than Expected
Possible causes – Engine mechanical condition– Faulty Manifold Absolute Pressure (MAP) sensor– Manifold Absolute Pressure (MAP) sensor harness is open or shorted– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1128 ACURA OBD Code Description The Manifold Absolute Pressure (MAP) sensor senses manifold…
P1253 ACURA VTEC System Malfunction
Possible causes – Engine oil level low– Low engine oil pressure– Blocked oil passage– Faulty VCT oil control valve Tech description If the P1253 is present, start by checking the engine oil level and condition. Change engine oil and filter if necessary with factory recommended oil weight. Symptoms – Engine Light ON (or Service Engine…
P0406 ACURA Exhaust Gas Recirculation Valve Position Sensor Circuit High Voltage
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…
P0404 ACURA 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…