Buick Rainier Pulsating Brake Pedal. Causes + How to Fix

If you own a Buick Rainier and have noticed your brake pedal pulsating when you press it, you may be wondering what the cause could be. Don’t worry, you are not alone. Many Buick Rainier owners have experienced this issue, and it can be caused by a variety of factors. In this article, we will … Read more

Buick Rainier Soft Brake Pedal: Causes + How to Fix

Dealing with a soft brake pedal on your Buick Rainier can be dangerous and frustrating. You should absolutely not drive your vehicle until you track down the problem. While tracking down the problem sounds daunting, there’s a lot you can do at home to get a hard pedal. One possible cause of a soft brake … Read more

Buick Rainier Won’t Move in Drive: Causes + How to Fix

If you own a Buick Rainier, you might have come across a situation where the vehicle won’t move in drive or reverse. It can be both frustrating and worrisome when this occurs, but don’t panic. In some cases, this issue may be related to the transmission or the shift lock control ECU/solenoid. A professional mechanic … Read more

Buick Rainier P0641 Code: Meaning, Causes, How to Fix

When dealing with a Buick Rainier, the P0641 error code is not an uncommon issue. This error code appears when the vehicle’s powertrain control module (PCM) detects that the voltage in the “A” reference circuit is out of its specified range. The 5-volt reference voltage circuit serves as a crucial element of the engine control … Read more

Buick Rainier P0120 Code: Meaning, Causes, How to Fix

The P0120 code on your Buick Rainier indicates an issue with the throttle position sensor (TPS). This sensor plays a crucial role in your vehicle’s performance, as it monitors the throttle valve opening percentage and provides input to the engine control module (ECM) to help regulate fuel and air intake. When the P0120 code is … Read more

Buick Rainier P0089 Code: Meaning, Causes, How to Fix

The P0089 code in a Buick Rainier refers to a problem concerning the fuel pressure regulator system. This code gets logged when the powertrain control module (PCM) detects a discrepancy between the desired and actual fuel pressures. In other words, the code signifies “Fuel Pressure Regulator 1 Performance”, indicating that the designated fuel pressure regulator … Read more

Buick Rainier Makes Noise When Turning: Noise Identification

Experiencing noise when turning your Buick Rainier can be both annoying and concerning. As the driver, it’s crucial to identify the possible causes of these noises and address them effectively to ensure a smooth driving experience and to prevent potential damage to your vehicle. Various factors can contribute to your vehicle making noise when turning. … Read more

Buick Rainier Shaking When Stopped: Causes and Solutions

Are you looking for information regarding your Buick Rainier shaking when stopped? You’ve come to the right place to learn about the common causes and potential solutions for this frustrating issue. Many Buick Rainier owners may experience shaking or vibration while their vehicle is stopped, particularly in gear. This can be both uncomfortable and concerning, … Read more

Buick Rainier Not Shifting Gears: Causes and Fixes

The Buick Rainier is a great vehicle that can last many miles with no issue. However, like any vehicle, it can face issues and malfunctions from time to time. One such problem that can occur in the Rainier is the tendency to not shift gears properly. When this happens, the first thing you should do … Read more