When should I change my diesel fuel pump?
For a lot of cars, this threshold is around 1,500 to 2,000 RPM – at around that rating, a bad injection pump will start stalling, sputtering and otherwise make it extremely difficult to drive without hesitation.
How much does it cost to replace a diesel fuel pump?
The average cost for diesel injection pump replacement is between $1,733 and $2,321. Labor costs are estimated between $481 and $607 while parts are priced between $1,252 and $1,715. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
What are the signs of a bad diesel injector?
Here are the 5 most common symptoms of faulty diesel fuel injectors.
- Trouble starting the vehicle or uneven idling. The engine cranks but doesn’t start unless you crank it for a long time.
- Misfire.
- Smell of fuel.
- Dirty emissions.
- Increased fuel consumption and poor miles per gallon.
How do you replace fuel pump on 7.3 diesel?
Place the new pump on the frame rail and secure it with the two bolts and the socket. Push the three hoses onto the back of the pump and secure them using the clamps and pliers. Secure the banjo bolt to the front of the new pump with the socket and ratchet.
How do you disable a fuel pump relay?
Step 6: Open the vehicle’s hood to disconnect your battery. Take the ground cable off of the battery’s negative post disabling the power to the fuel pump and sending unit. Step 7: Locate the fuse box in the engine compartment. Remove the cover to the fuse box.
What to do if your fuel pump is not working?
In order to relieve the pressure in your fuel system, you will need to run the vehicle without the fuel pump functioning for a short time. In order to prevent the fuel pump from turning on with the engine, you will need to locate the fuse box that contains the fuel pump fuse.
Where is the fuel pump on a Duramax?
On a stock Duramax there is no electric pump in the tank or on the rail — unless you have dual tanks. The Bosch CP3, mechanical pump mounted in the engine valley, pulls the fuel from the tank via vacuum.