Where is the fuel pump located in a Duramax Diesel?
The mechanical h.p. pump located in the engine valley is the only pump, it has the duel function of pulling fuel from all the way from the tank and thru the filter and cooling the ficm to the h.p. section of the pump. This means the entire fuel line, tank to engine, is under suction YOU WONT SEE A LEAK , you might see a wet stain.
How can I Keep my Duramax Diesel pump healthy?
However, there are measures you can take to keep the pump happy and healthy, the first being to always buy your diesel from a high-traffic, reputable filling station that’s known to dispense good, clean fuel. Second, always change the fuel filter at or before the recommended service interval.
How to stop a Duramax truck from losing Prime?
Tried running fuel line from injection pump to tank of diesel.. No go Pressurized the fuel tank primed it and tried starting.. Nothing Pressurized fuel tank sprayed soap water on lines.. No leaks found Tried having someone prime while I cranked. Truck will run off starting fluid through airbox but dies when you stop spraying.
Why is my Duramax diesel engine not starting?
I have seen more leaks causing no starts, loss of prime and low fuel rail pressure codes from poor fitting aftermarket fuel filters use Delco only. Remember when dealing with power loss and fuel pressure issues the duramax has no in- tank or frame mount fuel pump pushing fuel to the engine.
Tried running fuel line from injection pump to tank of diesel.. No go Pressurized the fuel tank primed it and tried starting.. Nothing Pressurized fuel tank sprayed soap water on lines.. No leaks found Tried having someone prime while I cranked. Truck will run off starting fluid through airbox but dies when you stop spraying.
Where does the fuel go in a Duramax?
It all starts in the tank, which is where the fuel is stored whenever you fill up. Depending on the model, you might have between 25 and 40 gallons of capacity, and on most trucks there is a low-pressure fuel pump which sits inside the tank and pushes the fuel toward the engine at a relatively low pressure.
However, there are measures you can take to keep the pump happy and healthy, the first being to always buy your diesel from a high-traffic, reputable filling station that’s known to dispense good, clean fuel. Second, always change the fuel filter at or before the recommended service interval.
What kind of pump does a Duramax cp4.2 use?
Like all Duramax engines from ’01-’10, the LML was also void of a lift pump from the factory. This means that not only does the CP4.2 have to pressurize fuel as high as 29,000 psi before sending it to the rails, but it also has to pull its low pressure fuel from the tank.