Chevy HHR P0325 Code: Causes + How to Fix

Having trouble with your Chevy HHR? If you have a P0325 trouble code, you may be wondering what it means and how to fix it. This article will provide an overview of the causes and solutions for this common issue. The knock sensor’s primary role is to detect and monitor any abnormal vibrations or knocking … Read more

Chevy HHR P0507 Code: Meaning, Causes, How to Fix

P0507 is a fairly typical OBDII trouble code that can occur in the Chevy HHR. It is typically triggered when the engine idle speed is 200 rpm or more over the predetermined limit set by the Chevy It is a generic code, which means that it has the same meaning for the Chevy HHR as any other vehicle. … Read more

Chevy HHR: VSS – Circuit Malfunction

  P0500 is a OBDII trouble code that affects the Chevy HHR‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The HHR uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the speedometer, and … Read more

Chevy HHR P0306: Misfire Detected (Cylinder 6)

P0306 is a fairly common trouble code with the Chevy HHR. It’s and OBD2 code and stands for: P0306 is certainly a cause for concern, and should be considered a threat to the drivability your HHR. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much … Read more

Chevy HHR P0021: OBDII Code Diagnosis

P0021 is a common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Chevy HHR can have VVT, and is prone to developing this code.     P0021 is a generic OBDII code. This means that it has the same definition regardless of the make … Read more

Chevy HHR P0014: Causes + How to Fix

P0014 is a relatively common trouble code for vehicles that have Variable Valve Timing (VVT). This includes the Chevy HHR.  VVT adjusts the position of the camshaft(s) to maximize the combustion efficiency of the motor. P0014 means that the camshaft position is too far advanced from where it should be in relation to normal operating … Read more

Chevy HHR P0175: Causes, Diagnosis, How to Fix

P0175 is a common trouble code that can appear in the Chevy HHR. It’s generic, so it has the same meaning for your car as it would any other automobile. There are MANY issues that can cause P0175 in the HHR. If there are other codes present, use them to eliminate potential causes and save … Read more