Do you need a tune after changing fuel pump?
You don’t need a tune for a fuel pump. Buy a Walbro 255lph pump. They look really easy to install, i checked quick. Install is very straight foward.
What does upgrading a fuel pump do?
An upgraded fuel pump may move so much fuel, the factory regulator cannot bleed off the pressure fast enough. This leads to higher than desired fuel pressures which means the injectors are spraying more fuel than intended. The consequence is an overly rich air to fuel ratio and a poorly running engine.
When is it time to replace your fuel pump?
However, if you have a sputtering engine and a “lean mixture” check engine code, that may indicate a fuel pump problem. The diagnosis process here is to bring the engine up to temperature and then do a fuel pressure check. Replacing a faulty fuel pump is not a simple task.
Why does fuel gauge read wrong after fuel pump replaced?
Fuel gauge reads wrong after fuel pump replaced – YouTube If you have a 96 or 97 year gm truck that needs a fuel pump, be sure to order it by the VIN. There is an option for a anti-slosh module that could cause you If you have a 96 or 97 year gm truck that needs a fuel pump, be sure to order it by the VIN.
What should I do if my fuel pump is faulty?
Replacing a faulty fuel pump is not a simple task. It involves dropping the fuel tank, removing and replacing the fuel pump assembly, and then testing all work. A fuel pump replacement should also be accompanied by a fuel filter replacement and a check of the pump’s connectors (on both sides of the plugs) to ensure they are not burnt or overworked.
How does the injection pump work on a Duramax truck?
Duramax trucks rely on the injection pump to suck fuel all the way from the tank, anything you can do that makes its life easier is a good investment. The added filtration benefits and the removal of air bubbles from your fuel is simply an added benefit.