P0073 is a common OBD2 trouble code that can affect the Buick Regal. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your car’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating …
Read More »Buick Regal P0088: Causes + Likely Fix
P0088 is a common OBD2 trouble code that can occur in the Buick Regal. In layman’s terms, it indicates that your car’s fuel pressure is too high. While P0088 is a generic code, repair steps will vary depending on your Regal’s model year, engine type, and how it regulates fuel …
Read More »Buick Regal P0026: Symptoms, Causes, + Common Fixes
P0026 is a code that signals an issue with your Buick Regal’s intake valve control solenoid circuit. In layman’s terms, the circuit is not complying with the Powertrain Control Module’s commands. It sent a signal to the intake valve control solenoid, and it, for whatever reason, failed. P0026 is a …
Read More »Buick Regal P0501 Code: Causes + Likely Fix
P0501 is an OBD2 trouble code that indicates there is an issue with your Buick Regal’s Vehicle Speed Sensor (VSS). It occurs when the Powertrain Control Module (PCM) gets a signal from the VSS outside its normal operating range (in terms of voltage). P0501 is a generic powertrain code, which …
Read More »Buick Regal: P0008 Code Diagnosis
P0008 is a somewhat uncommon OBD2 trouble code that can occur in the Buick Regal. It indicates that the crankshaft and camshaft are not synchronized properly, and should be considered a breakdown risk. Driving your Regal with P0008 can lead to engine damage and a costly repair. While P0008 is …
Read More »Buick Regal P0193: Symptoms, Causes, & Likely Fixes
P0193 is a generic OBD-II code that can occur in the Buick Regal. It indicates that your Regal’s fuel rail pressure sensor is sending a signal to the PCM that is above its normal operating range (in terms of voltage value). While P0193 is a generic code (it has the …
Read More »Buick Regal C0040: Meaning, Causes, + Likely Fix
C0040 is a chassis trouble code that occurs in the Buick Regal. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Regal’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues …
Read More »Buick Regal P0523: Meaning, Causes, + Likely Fixes
P0523 is a standard OBD2 trouble code that can occur in the Buick Regal. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps …
Read More »Buick Regal P015B: Meaning, Causes, & Diagnosis
P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the Buick Regal, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by …
Read More »Buick Regal P0117 Code: Meaning, Causes, and Diagnosis
P0117 is a generic OBD2 code. It indicates that your Buick Regal’s PCM (powertrain control module) has detected the signal coming from the engine coolant temp (ECT) sensor has a voltage level below its normal operating range. With the ECT sensor, as the voltage level drops, it will appear that …
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