Buick Rendezvous Bad Fuel Pressure Regulator: Symptoms, ID, How to Fix

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

Buick Rendezvous Troubleshooting: Shakes When Braking

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

Buick Rendezvous White Exhaust Smoke: Causes, Diagnosis, How to Fix

If you own a Buick Rendezvous, 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

Buick Rendezvous Flashing Check Engine Light: Diagnosis

The check engine light indicates that you need to service a vehicle soon. If your Buick Rendezvous has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors). If your vehicle has a flashing check engine light, it means you need to service … Read more

Buick Rendezvous Troubleshooting:  Squeaky Brakes

  Your Buick Rendezvous‘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

Buick Rendezvous:  Heater Not Working Diagnosis

  One of the most common (and inconvenient) problems with the Buick Rendezvous is when it has no heat coming from the heater. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not … Read more

Buick Rendezvous 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 Buick Rendezvous 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 Buick Rendezvous’s catalytic converter is not scrubbing pollutants efficiently … Read more