Question about 1990 Eagle Talon
I have pasted pump removal procedures below, but recommend you read the following before going after the pump:
A good first check if fuel delivery problems are suspected is to spray some starting fluid into the intake system while someone cranks the engine. If the engine starts or tries to start with starting fluid, it is not getting fuel. In most modern cars, the fuel pump is inside the gas tank and is also usually sold with the fuel gage sending unit--an expensive and laborious R&R job. If the pump is working, you should hear it at least momentarily when the key is turned to the "on" position. If the pump is not working, the cause could be a fuse, a relay, an accident "kill" switch that needs resetting, or the pump itself. You'll want to rule out all of the inexpensive possibilities first. Use your owners manual (you can often find these online if you don't have the original) to locate the applicable fuse, relay, and/or cutoff switch. To check the relay and ignition switch, follow procedures at http://www.fixya.com/cars/r6022358-relay_check. You can also check for voltage at the pump connector with a test light. (Note, the Talon uses the MFI relay to power the fuel pump. This is a 9-terminal relay and may be difficult to troubleshoot using the above link).
Assuming your pump works, fuel still needs to get to the engine. A clogged filter will certainly limit fuel flow, but will rarely prevent a car from starting. That said, filter replacement is an inexpensive bit of maintenance. Most likely cause of fuel not getting to the engine when the pump is working is the fuel injection system (not an issue for carbureted engines). Injection systems are beyond the scope of this tip, but there are a couple things you can check. Many anti-theft systems cut off the injectors when activated. If you have such a system, make sure your anti-theft system has not been activated. Also, the injectors require a certain level of fuel pressure. Though your pump may be working, it may not be producing pressure. If possible, have your fuel pressure checked or borrow the appropriate tool to test the pressure. Always check pressure at the fuel rail, as some designs include a separate regulator that is typically in the line in the engine compartment. The injectors may be controlled by an injector module or directly by the engine or powertrain control module/computer. The signals sent to the injectors can be checked using a special tester or oscilloscope. A simple but crude method of checking injector operation is to put a long screwdriver on the injector body and hold the handle to your ear while someone cranks the engine. If the injectors are working, you should hear the solenoid click once every 2 revolutions.
Finally, if you are getting fuel to the engine, make sure it isn't old or contiminated.
Fuel Pump removal Instructions from autozone.com
EXCEPT AWD MODELS
See Figures 1, 2, 3 and 4
CAUTION Cover the high pressure fuel hose with rags to prevent splash of fuel caused by residual pressure in the fuel pipe line.
Posted on Nov 14, 2010
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Posted on Jan 02, 2017
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Park the vehicle in a safe place and with enough room for you to work
around your Expedition.
Loosen the filler cap, open the hood and remove the accessory cover from
the fuel supply manifold or fuel rail.
Remove the black, negative battery cable and relieve the fuel system
pressure. Locate the Schrader valve right before the first fuel injector on the
fuel rail-the valve is similar to the air valve on a bicycle tire. Using a
small screwdriver, depress the small stem inside the valve. Cover the valve
with a shop rag to catch the squirt of fuel.
Set the transmission to neutral and lift the rear, right-hand side of
the vehicle (passenger side) using a floor jack and support the car safely on a
Locate the fuel filter under the frame rail, near the fuel tank and
clean the lines and fittings on both ends of the fuel filter. This will prevent
fuel system contamination.
Remove the nuts from the support bracket holding the fuel filter using a
wrench or ratchet and socket. Pull the bracket off the filter.
Disconnect the outlet fuel line--the one going towards the engine--using
a spring lock coupling tool, which you can buy at most auto parts stores. Then
disconnect the quick release coupling from the other end of the filter by
pressing the locking tabs; push the fitting against the filter and then pull
the line off the filter.
Connect the outlet and inlet fuel lines to the new filter. Make sure the
arrow on the side of the filter case is pointing towards the engine. Install
the filter on its bracket and secure the bracket to the frame rail.
Lower the vehicle and connect the negative battery cable; tighten the
filler cap, start the engine and check for fuel leaks.
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