Tag Archives: Blazer

P0000 is a rare OBD2 fault code that can affect the Chevy Blazer. While there are over 10,000 DTC “P” codes, this is the only one reserved for “no fault detected” in your vehicle’s ECU (engine control unit) memory. It tells the scanner accessing the ECU that no codes are …

If your Chevy Blazer has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We’ve outlined the most common reasons why a humming noise in your vehicle gets louder with speed. We’ve also provided an audio sample of each issue to help determine …

Dash lights flickering and failure to start is a very common issue that can happen to the Chevy Blazer. While your first impulse may be to think that there is something wrong with your vehicle’s starter (and it is possible), it’s usually caused by an issue with the battery or …

P0026 is a code that signals an issue with your Chevy Blazer’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 …

P0725 is a common OBD2 code that can occur in the Chevy Blazer. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, …

P0523 is a standard OBD2 trouble code that can occur in the Chevy Blazer. 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 …

P0116 indicates that your Chevy Blazer’s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it …

P0036 is a very common O2 sensor-related trouble code. It’s generic, which means it has the same definition for the Chevy Blazer as any other vehicle. This code is almost always caused by a bad heated oxygen sensor or wiring issue and is almost always symptom-free. P0036 should NOT be …

P0058 is a not too common and OBDII trouble code that occurs in the Chevy Blazer. It indicates that the heated oxygen sensor (which we’ll be referring to as HO2S a lot) heater control circuit located at B2S2 is sending a signal to the PCM that is outside of its …

P0056 is a somewhat common O2 sensor-related OBD2 trouble code. It is a generic code, which means it has the same definition for the Chevy Blazer as it would any other vehicle. This code is almost always caused by a bad heated oxygen sensor or wiring issue and almost never …