Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
Tag: BUICK
P0102 BUICK Mass or Volume Air Flow Circuit Low Input
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P1143 BUICK HO2S Bank 1 Sensor 3 Lean Or Low Voltage
Possible causes – Faulty Oxygen Sensor Bank 1– Oxygen Sensor Bank 1 harness is open or shorted– Oxygen Sensor Bank 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1174 BUICK Fuel Trim Cylinder Balance Bank 1
Possible causes – Faulty Oxygen sensor– Ignition problem– Fuel injection problem– Engine mechanical condition Tech description There is a factory service bulletin for the following Buick models: 2000-2008 Buick Century2000-2008 Buick LeSabre2000-2008 Buick Park Avenue2000-2008 Buick Regal2002-2008 Buick Rendezvous2000-2008 Buick Factory Service Bulletin OBDII Code P1174 Symptoms – Engine Light ON (or Service Engine Soon…
C0225 BUICK Left Front Speed Sensor or Circuit Open
Possible causes – Faulty Left Front Speed Sensor– Left Front Speed Sensor harness is open or shorted– Left Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0225 BUICK OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
C0226 BUICK Missing Left Front Speed Signal
Possible causes – Faulty Left Front Speed Sensor– Left Front Speed Sensor harness is open or shorted– Left Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0226 BUICK OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
C0227 BUICK Erratic Left Front Speed Sensor
Possible causes – Faulty Left Front Speed Sensor– Left Front Speed Sensor harness is open or shorted– Left Front Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0227 BUICK OBD Code Description As the wheel spins, the wheel speed sensor produces an Alternating Current (AC) signal. The Electronic Brake…
P0650 BUICK Malfunction Indicator Lamp Control Circuit Malfunction
Possible causes – Faulty Malfunction Indicator Lamp Bulb– Malfunction Indicator Lamp Bulb harness is open or shorted– Malfunction Indicator Lamp Bulb circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status will change…
P1108 BUICK BARO To MAP Sensor Circuit Comparison Too High
Possible causes – 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 When is the obd code mean? If the Powertrain Control Module (PCM) detects a Manifold Absolute Pressure (MAP) sensor signal voltage that is high, the P1107 code…
P1111 BUICK Intake Air Temperature Sensor Circuit Intermittent High Voltage
Possible causes – Faulty Intake Air Temperature Sensor– Intake Air Temperature Sensor harness is open or shorted– Intake Air Temperature Sensor circuit poor electrical connection When is the obd code mean? The P1111 code is set when the Powertrain Control Module (PCM) senses a signal voltage higher than the normal operating range of the sensor….