How many fuel pumps does a 88 Ford Ranger have?
Two fuel pumps in 1988 STX.
Where is the inertia switch on a 1988 Ford Ranger?
You can find the inertia switch, which is also known as the fuel pressure inertia switch (FPIS), on Your Ford Ranger’s passenger foot area, under the dash, near the front edge of the carpet.
How do you test a Ford Ranger fuel pump relay?
How to Test a Fuel Pump Relay on a 94 Ford Ranger
- Locate the fuse and relay box in the engine compartment.
- Pull the cover from the relay and fuse box.
- Pull out the fuel pump relay with needle-nose pliers.
- Pull the relay that is fifth from the right.
- Start the vehicle.
Where is the fuel pump on a 1986 Ford Ranger?
To replace the fuel pump in the Ranger, you have to drop the fuel tank. The pump is mounted in the top of the tank, and secured and sealed with a lock ring or cap, depending on the year.
How do I know if my Ford Ranger fuel pump is bad?
Hearing the Fuel Pump Have a partner sit in the driver’s seat. Take the gas cap off and have your partner turn the ignition key to “start.” Ensure the gas door is open; when the key is turned, you will hear the fuel pump. If you do not hear the pump, then you will know the pump is gone bad.
How do you bleed a Ford Ranger fuel system?
To bleed the high-pressure fuel system, loosen the union nuts between the top of the fuel injectors and the fuel line; only turn once or twice. Crank the engine with the starter for about 10 seconds, and verify that there’s fuel coming out. When you see that, tighten the unions back up.
Where is the fuel pump reset button located?
Look for the fuel pump switch or inertia switch. This is a small box with a plastic button on top and an electrical connector at the bottom. On some vehicle models, this will be located in the luggage compartment. Look on a side panel for a small, round button which you can pry off with a small screwdriver.
What would causes a inertia switch to trip?
That part in trunk is an inertia switch which is designed to trip OFF if it detects a sudden jar .. It’s purpose is to cut power off to the fuel pump I case of an accident .. However if the vehicle is driven over a bump or pothole, that can trip the inertia switch as well .. You just wasted the fuel pump money ..