Opel Zafira Bad Fuel Pressure Regulator: Symptoms, ID, How to Fix

One of the most common issues with any vehicle, including the Opel Zafira, 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 Opel Zafira, the most common being engine performance problems. This can result from either too … Read more

Opel Zafira Troubleshooting: Shakes When Braking

  If you find your Opel Zafira‘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 Zafira is only shaking when braking, that’s … Read more

Opel Zafira White Exhaust Smoke: Causes, Diagnosis, How to Fix

If you own a Opel Zafira, you may have noticed white exhaust smoke coming from your car 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 car’s exhaust pipe, and … Read more

Opel Zafira P0406:  EGR Sensor “A” → Circuit High

  P0406 is a generic OBDII Diagnostic code.  It deals with the signal coming from the EGR system.  In this case, it means that the signal coming from the EGR system is higher than the specified range  Since it is a generic code, it has the same meaning for the Opel Zafira as it would … Read more

Opel Zafira Troubleshooting:  Squeaky Brakes

  Your Opel Zafira‘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

Opel Zafira 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 Opel Zafira as it would any other vehicle.   The EGR system allows a certain amount of the Zafira’s exhaust to re-enter the combustion chamber, … Read more

Opel Zafira 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 Opel Zafira 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 Opel Zafira’s catalytic converter is not scrubbing pollutants efficiently … Read more

Opel Zafira P0740: Torque Converter Clutch Circuit Malfunction

P0740 is one of the most common transmission trouble codes. It means that the Zafira‘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