Why is my fuel injection pump not working?
Injection pump needs repair No Start, fuel to injectors (smoke out exhaust while cranking) 1. Cranking speed too slow 2. Pump timed incorrectly to engine. 3. Incorrect fuel (water, gas etc) 4. Insufficient fuel or restricted fuel supply, dirty filter etc. 5. Need starting aid for cold weather, or not working properly 6.
How can I tell if my injection pump needs repair?
Injection pump needs repair No Start, no fuel delivery to Injectors 1. Electric Shut off solenoid failed or not getting power 2. Shut off linkage in stop position. 3. Check for insufficient fuel supply, replace fuel filter. If equipped with a fuel supply pump check for minimum of 2-3 psi fuel supply pump pressure. 4.
What happens when the fuel pump relay goes bad?
If the fuel pump relay suddenly fails, it will light up the check engine light and store a trouble code on the fuel pressure. The fuel pump relay going bad can affect the fuel pump’s power and affect fuel delivery to the engine.
How do you fix a bad fuel pump?
Tap the top of the fuel tank lightly with a piece of wood or rubber mallet and see if the pump unsticks. This will sometimes be enough to get the truck running until you drive to a garage. Use a battery tester to test both batteries. Replace defective batteries.
What happens when there is no fuel in the fuel pump?
This also verifies that the engine has no fuel pressure. Electric fuel pumps on electronically controlled fuel injection systems need to produce enough “high” pressure to allow the injectors to produce a sufficient spray of atomized fuel into the intake path (or into the combustion chamber in a direct-injection system).
Where to check for no start fuel pump?
The first thing you want to do is check the fuse panel to see if the fuse is blown. If your car has two fuse panels than the one in the engine compartment; should be the correct one to check. The fuse panel or circuit box is usually located near the battery; and is a small black box with a removable lid.
Tap the top of the fuel tank lightly with a piece of wood or rubber mallet and see if the pump unsticks. This will sometimes be enough to get the truck running until you drive to a garage. Use a battery tester to test both batteries. Replace defective batteries.
When did the GM 6.2 diesel engine come out?
GM installed the 6.2 L diesel engine in light trucks and Sport Utility Vehicles between 1981 and 1993. The 6.2 L diesel is naturally aspirated, unlike the more recent 6.5 L turbo-charged diesel.
What happens when the fuel leaves the injector?
When the fuel leaves the fuel injector, a spray tip distributes the fuel as a fine mist. Today’s diesel fuel injection pumps are under pressure – even more pressure than what was once considered “normal.”
What to do if your injector doesn’t work?
Injector problem; crack the injection lines to pinpoint the injector, then remove and test the injector. If you can’t get the injector tested then move that injector to a different cylinder and see if the miss follows the injector. 2. Possible problem inside injection pump 3.
Injection pump needs repair No Start, fuel to injectors (smoke out exhaust while cranking) 1. Cranking speed too slow 2. Pump timed incorrectly to engine. 3. Incorrect fuel (water, gas etc) 4. Insufficient fuel or restricted fuel supply, dirty filter etc. 5. Need starting aid for cold weather, or not working properly 6.
Injection pump needs repair No Start, no fuel delivery to Injectors 1. Electric Shut off solenoid failed or not getting power 2. Shut off linkage in stop position. 3. Check for insufficient fuel supply, replace fuel filter. If equipped with a fuel supply pump check for minimum of 2-3 psi fuel supply pump pressure. 4.
Why is the injection pump on my Ford 335 not working?
This 3 cylinder diesel ran great for 30 years, never a problem. the other day I went to start it, and it would not start. I replaced the fuel filter, it was very , very dirty, and rusty. I bled the system, starting at the filter bleed screw, the injection pump bleed screw, but not fuel to injectors.
When the fuel leaves the fuel injector, a spray tip distributes the fuel as a fine mist. Today’s diesel fuel injection pumps are under pressure – even more pressure than what was once considered “normal.”