What is the GM diesel truck fuel pump defect?

Consumers who own vehicles installed with a Bosch CP4 fuel injection pump may be affected by a GM diesel truck fuel pump defect. What is the GM Diesel Truck Fuel Pump Defect?

How do you reset the fuel pump shut off switch?

The inertia switch is a security measure implemented by car manufacturers to shut off the fuel supply in case of a car crash or accident where a vehicle comes to a sudden stop instantly. How to Reset Fuel Pump Shut Off Switch Similar to an electrical circuit breaker in your home, you can reset it by pushing the button or pulling the leverage down.

What kind of fuel pump does GM use?

The Bosch CP4 pump was not built to be compliant with American fuel standards. These pumps are built for European fuel. According to plaintiffs in several GM lawsuits, when a Bosch CP4 pump is used with American fuel, it is not lubricated enough and is forced to run dry.

What causes a GM fuel pump to run dry?

According to plaintiffs in several GM lawsuits, when a Bosch CP4 pump is used with American fuel, it is not lubricated enough and is forced to run dry. This causes the pump to slowly destroy itself through metal-on-metal friction as reported by Car Complaints.

Consumers who own vehicles installed with a Bosch CP4 fuel injection pump may be affected by a GM diesel truck fuel pump defect. What is the GM Diesel Truck Fuel Pump Defect?

How to remove a fuel pump from a truck?

Basic instructions on how to tip your bed and remove your fuel pump and sender assembly, replacement of the fuel pump from the sender unit and putting it back into the tank with gasket o-ring and lock ring. I also show video of the bolt hole locations on my short bed frame. Loading…