If you own a Hummer H1, you may have noticed that your brake pedal is pulsating. This phenomenon is known as brake pedal pulsation and can be caused by a variety of issues. In this article, we’ll discuss the common causes of Hummer H1 pulsating brake pedal and what you can do to fix it. … Read more
Dealing with a soft brake pedal on your Hummer H1 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
In this guide, we will explore potential causes and solutions for a Hummer H1 door that refuses to open, whether from the inside, outside, or both. The troubleshooting steps will depend on whether one or both handles are functioning. Faulty mechanisms, damaged components, or normal wear and tear can all contribute to a door that … Read more
If you own a Hummer H1, 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
When dealing with a Hummer H1, 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
The P0120 code on your Hummer H1 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
The P0089 code in a Hummer H1 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
Experiencing noise when turning your Hummer H1 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
Are you looking for information regarding your Hummer H1 shaking when stopped? You’ve come to the right place to learn about the common causes and potential solutions for this frustrating issue. Many Hummer H1 owners may experience shaking or vibration while their vehicle is stopped, particularly in gear. This can be both uncomfortable and concerning, … Read more
The Hummer H1 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 H1 is the tendency to not shift gears properly. When this happens, the first thing you should do … Read more