Chevy Blazer Bad Fuel Pressure Regulator: Symptoms, ID, How to Fix

One of the most common issues with any vehicle, including the Chevy Blazer, is when it has fuel pressure regulator issues. A bad fuel pressure regulator can cause all sorts of problems. A bad fuel pressure regulator can cause various symptoms in your Chevy Blazer, the most common being engine performance problems. This can result from either too … Read more

Chevy Blazer Troubleshooting: Shakes When Braking

  If you find your Chevy Blazer‘s steering wheel shakes or vibrates when you press the brakes, it is almost always the brake rotors that are the cause of the problem.  There are plenty of other issues that can cause the steering wheel to wobble.  But, if your Blazer is only shaking when braking, that’s … Read more

Chevy Blazer White Exhaust Smoke: Causes, Diagnosis, How to Fix

If you own a Chevy Blazer, you may have noticed white exhaust smoke coming from your vehicle on occasion. This can be concerning, and it’s essential to understand the possible causes behind this phenomenon to address the issue promptly and efficiently. Several factors can contribute to white smoke emanating from your vehicle’s exhaust pipe, and … Read more

Chevy Blazer Troubleshooting:  Squeaky Brakes

  Your Chevy Blazer‘s braking system is designed to handle thousands of miles of braking with no intervention from you.  When its brakes begin to squeak, they are telling you that they need some attention. The most typical cause of squeaky brakes are the brake pads themselves, but there are other issues that can cause … Read more

Chevy Blazer P0405:  EGR Sensor “A” → Circuit Low

  P0405 is a generic OBDII trouble code.  It deals with the signal coming from the EGR system.  Since it is a generic code, it has the same meaning for the Chevy Blazer as it would any other vehicle.   The EGR system allows a certain amount of the Blazer’s exhaust to re-enter the combustion chamber, … Read more

Chevy Blazer P0421 Code: Meaning, Causes, How to Fix

P0421 is a relatively rare OBDII trouble code.   It’s generic, which means it has the same definition for the Chevy Blazer as it would any other vehicle. It is technically defined as “Warm Up Catalyst Efficiency → Below Threshold (Bank 1)”. In layman’s terms, it indicates that your Chevy Blazer’s catalytic converter is not scrubbing pollutants efficiently … Read more

Chevy Blazer P0740: Torque Converter Clutch Circuit Malfunction

P0740 is one of the most common transmission trouble codes. It means that the Blazer‘s computer has detected that there is an issue with the torque converter clutch (TCC) solenoid circuit.     P0740: Torque Converter Clutch Circuit Malfunction   The TCC “locks” the drivetrain, which allows for a true mechanical connection between the transmission … Read more