SureTrack Community Fix: Blown HHR
Correct fuel and air ratios are the key to any engine running properly. Many factors can mess up this ratio and cause problems but even with them correct, you can still have issues that seem like that is the cause. SureTrack community member locustpoint had a Chevrolet HHR Turbo in their shop that was running poorly and smoking and the car had been parked for four years. They posed the question to the community, and with the help of fellow community member DAG1365 and others, they were able to resolve the issue quickly.
As a tech, it’s easy to get a narrow vision when it comes to common failures. Still, there are a lot of things going on in and around every circuit and component on a vehicle.
The new VGTs are more complex than older wastegate turbochargers and technicians must be trained to accurately diagnose and repair them. Here are some tips to get started.