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- Joined
- May 15, 2020
- Messages
- 4,259
- Points
- 601
- Age
- 70
- City
- Atlanta
- State - Country
- GA - USA
- Other
- Manufacturers factory tour, maybe big dealership tour
- Vehicle Year
- 1997 1987
- Vehicle
- Ford Ranger
- Engine
- 4.0 V6
- Transmission
- Manual
- Total Lift
- 97 stock, 3” on 87
- Total Drop
- N/A
- Tire Size
- 235/75-15
- My credo
- Never put off ‘til tomorrow what you can put off indefinitely
Oh wise ones…
I need a step-by-step to pressure check my fuel rail and components, please and thanks. ‘97 4.0 5sp
Remember, the truck runs fine at idle and with a light gas pedal, but if I step down hard on the gas, it loses power and it sounds like it’s either starved for gas or starved for air. It has a new air filter. This was all after I put in some carbiclean/sea foam to clean out the fuel system.
I have a new fuel tank assembly, a new fuel rail pressure regulator, and I have new injectors and the upper intake gaskets and such. I also bought the injection pressure testing system from harbor freight.
Questions: I know how to hook up the pressure tester to the fuel rail. Do I just key the pump a couple times or do I actually start the truck to check the fuel rail pressure?
If I rev it with the truck running (is that safe?) and the fuel pressure drops, I’m assuming I’m going to change the regulator first (easy) and then test it again
If that doesn’t solve the problem, I’m assuming I have to change the fuel tank pump assembly. I have to undo all my wiring, pull the toolbox, extra battery, fill neck, etc. to get to it.
If neither of those corrects the problem, the next step the upper intake has to come off to change the injectors?
Yes/no? Any tips or procedure advice would be greatly appreciated.
I need a step-by-step to pressure check my fuel rail and components, please and thanks. ‘97 4.0 5sp
Remember, the truck runs fine at idle and with a light gas pedal, but if I step down hard on the gas, it loses power and it sounds like it’s either starved for gas or starved for air. It has a new air filter. This was all after I put in some carbiclean/sea foam to clean out the fuel system.
I have a new fuel tank assembly, a new fuel rail pressure regulator, and I have new injectors and the upper intake gaskets and such. I also bought the injection pressure testing system from harbor freight.
Questions: I know how to hook up the pressure tester to the fuel rail. Do I just key the pump a couple times or do I actually start the truck to check the fuel rail pressure?
If I rev it with the truck running (is that safe?) and the fuel pressure drops, I’m assuming I’m going to change the regulator first (easy) and then test it again
If that doesn’t solve the problem, I’m assuming I have to change the fuel tank pump assembly. I have to undo all my wiring, pull the toolbox, extra battery, fill neck, etc. to get to it.
If neither of those corrects the problem, the next step the upper intake has to come off to change the injectors?
Yes/no? Any tips or procedure advice would be greatly appreciated.
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