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Re: 99f150 4wd, When replacing fuel pump, we broke a...
Fuel tank pressure sensor.
The basic part number is 9C052.
Give the dealer your VIN and this basic number and he should be able to get the correct part number for you.
The PCM uses this sensor along with VSS to determine when to run the EVAP system.
Remove the fuel tank
Disconnect the electrical connector.
Press down and rotate the fuel tank pressure sensor counterclockwise and remove it from the fuel tank.
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THE PUMP IS LOCATED IN THE FUEL TANK YOU WILL NEED FUEL LINE DISCONNECT TOOLS BEFORE YOU ATTEMPT THIS TASK AND BE MINDFUL OF THE FUEL TANK PRESSURE SENSOR IT IS EASY TO BRAKE AND HARD TO REPLACE COST ABOUT $70.00 (IF IT AIN'T BROKE DON"T FIX IT)
1. Relieve the fuel pressure. (in order to relieve fuel pressure: 1. remove fuel cap. 2. remove fuel pump relay from the relay panal located under the center console. 3. start engine and wait for engine to stall, then turn off the ignition key. 4. Position a small screwdriver in the fuel pressure test port and carefully depress the valve to allow any excess fuel to bleed out of the fuel line.)
2. Remove the cable from the negative battery terminal.
3. Remove the fuel tank.
4. The fuel pump/fuel level sending unit assembly is located inside the fuel tank. Its held in place by a lock ring. Using a brass punch and hammer, carefully tap the lock ring couterclockwise and sperate the cover from the tank. ***WARNING*** Don not use a steel punch-a spark could cause an explosion.
5. Pull the fuel pump assembly out of the tank. Be careful when manipulating the module out of the fuel tank. it will be necesarry to angle it in various positions as you extract it.
6. Remove the O ring from the opening.
7. Inspect the filter on the lower end of the fuel pump. If its dirty, clean it with solvent and blow it out with compressed air. If its too dirty to be cleaned, replace it.
8. The Fuel pum cannot be disassembled except for removal of the fuel level sending unit. In the event of a defective fuel pump, replace the eniter assembly as a single unit or module.
looks like your intrepid has what is know as a driveability problem
1. electric fuel pump is failing
2. injectors are mis-firing due to clogs: 1 or more has failed
3. someone has been naughty and dumped something in your fuel tank while you slept
this is for gas tank behind axle, not in front of axle.
SECTION 310-01A: Fuel Tank and Lines—Gasoline and Diesel
1999 Econoline Workshop Manual
REMOVAL AND INSTALLATION
Fuel Tank — Aft-of-Axle
Fuel Line Disconnect Tool 310-5039 (T90T-9550-5)
High-Lift Transmission Jack 014-00942 or equivalent Removal WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related component. Highly flammable mixtures are always present and may be ignited, resulting in possible personal injury. WARNING: Fuel in the fuel system remains under high pressure even when the engine is not running. Before repairing or disconnecting any of the fuel lines or fuel system components, the fuel system pressure must be relieved to prevent accidental spraying of fuel, causing personal injury or a fire hazard. NOTE: The 55 gallon aft-of-axle fuel tank (9002) is shown; the 35 gallon aft-of-axle fuel tank is similar.
Disconnect the battery ground cable.
Relieve the fuel pressure; refer to Section 310-00A .
Drain the fuel from the fuel tank; refer to Section 310-00A .
Raise and support the vehicle; refer to Section 100-02 .
NOTE: In this illustration, the vehicle body is shown removed for clarity. Disconnect the fuel tank filler pipe (9034) and the filler vent tube from the fuel tank.
Position the jack under the fuel tank.
Remove the 3 bolts.
Remove the 3 nuts.
Remove the fuel tank support straps (9092).
Partially lower the fuel tank.
Disconnect the fuel lines from the fuel pump (9350); refer to Section 310-00A .
Disconnect the fuel pump and fuel tank sending unit electrical connector.
On gasoline fuel tanks, disconnect the hose(s) from the evaporative emission valve (9B593).
On gasoline fuel tanks only, disconnect the fuel tank pressure sensor electrical connector.
Lower the fuel tank.
If the fuel tank is being replaced, transfer the fuel pump, fuel tank sending unit, the evaporative emission valves and the fuel tank pressure sensor (gasoline fuel tanks) or the plug (diesel fuel tanks) to the new fuel tank.
Hello, You have an emission sytem problem . The actual sensor is on top of the fuel tank that lets the system know how much air pressure is on the system, its made in the fuel pump module, but if your system has a po440 code do not waste your time replacing it. You (99 percent sure) will have a canister and vent valve. They will cost about 150 dollars to replace. Please rate my answer. Thank You.
Modern gas pumps have a sensor that shuts off the flow of fuel when the tank is full or it senses near the nossle tip. They also have a back splash guard that keeps fuel from splashing back on the handle. If you have some sort of flap inside your fuel tank mouth the pump may sense that the tank is already full or the back splash guard may be keeping the nozzle from fully inserting into the tank causing the same out come. I have a 1977 Triumph Spitfire that requires me to hold the fuel pump in place or the fuel won't pump. Try holding the fuel nozzle in place and see if that makes any difference.