At Fixya.com, our trusted experts are meticulously vetted and possess extensive experience in their respective fields. Backed by a community of knowledgeable professionals, our platform ensures that the solutions provided are thoroughly researched and validated.
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
The black reservoir/fuel tank selector unit you are referring to is the fuel tank switching valve, which is designed to switch between the two fuel tanks in your 1988 Ford Ranger XLT 4X4. This valve is responsible for directing fuel from the selected tank to the fuel pump and engine.
The second fuel tank selector unit you mentioned (part number 5sv2k) is likely a replacement part for the original fuel tank selector unit. It is not intended to replace the fuel tank switching valve.
The dual fuel tank system in your Ford Ranger requires both the fuel tank switching valve and the fuel tank selector unit to function properly. The fuel tank selector unit allows the driver to switch between the two fuel tanks, while the fuel tank switching valve directs fuel from the selected tank to the fuel pump and engine.
If the black fuel tank switching valve is leaking or malfunctioning, it should be replaced to ensure proper operation of your dual fuel tank system.
With 2 tanks have you a balance pipe between tanks or a 2 way tap. IT sponds as if there is a low pressure problem ( vacuum) occuring as the pump draws out fuel and as atmospheric pressure is needed to push fuel to the pump the pump will not be able to keep up pressure . Check for correct fuel cap on both tanks and a balance tube between tanks to allow air to keep the pressure equal in the tanks
common on older high mileage fors to either have the switch go out or the intank pump go bad, you cang ground terminal 6 on the underhood diag plug with key on engine off and switch from front to rear or vice versa and listen for fuel pumps to be running, likely one is not
first, is this a diesel? if it is there is a line or oring loose allowing it to **** air--diesels dont like leaks like that and there is a whole procedure for voiding the air from the lines on diesels. next could be the in tank pump and also does it have duel tanks? does the duel tank switch work? running out of fuel with in tank pumps can burn up the pump (the fuel itself provides lubrication and cooling for the pump, gas or diesel) and of course check the filter, running out and refilling could have disturbed trash in the tank
OK, you may have a dedicated pump for each tank, if so; DOES THE OTHER TANK WORK? If so, you have a problem with the switching system or second tank pump. You may have been testing the electrical, but remember: even a pump that works does not pump gas of there is a broken rubber feeder hose inside the tank. I would consider dropping the tank taht does not work and checking the pump and filter inside. Make sure key is on and test (usually the gray wire). Good luck.
You have duel tanks with a fuel pump in each tank. You also have a fuel pump on the frame rail after the "tank selector". This device only holds a fuel filter that protects the main fuel pump. When you select front or rear tank on the dash, you are selecting which in tank fuel pump will operate. You can check the in tank fuel pump by listening for it to "humm" when the key is turned on..The in tank pumps only feed the main pump and cannot run the engine on their own. Hope this helps
you have a tank switching valve under the truck that may be bad,also check the fuel lines coming out of the tank they could be cracked and sucking air instead of fuel
yea fords with two tanks are known for getting stuck if you dont switch the tank constantly. you have to get to the valve that switches the two tanks, and free it up. it definitley isnt anything but the valve.
×