Question about 1990 Ford Thunderbird

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MY 1990 FORD THUNDERBIRD 6 cylinder , shuts off ( only) when i put it in reverse! can you help?thank you

I thought that my fuel filter was bad ,so i changed it not the problem.

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  • 54 Answers

Sounds to me like an oxygen sensor....

Posted on Nov 16, 2014

Testimonial: "i blieve tha my car has three oxygen sensors ,which one would be the problem?"

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Posted on Jan 02, 2017

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SOURCE: change fuel filter 1988 ford thunderbird 6 cylinder

In the trunk left side is inertia switch.  rap ******* side with fist, causing button to pop up on top, when this happens the fuel pump will no longer receive power.  Now try to start vehicle, should attempt to start and die.  Fuel system is no de pressurized.  PLease be careful as there is still some pressure in system! and remember to reset inertia switch when done by pressing pop up button back to the down position.

Posted on Dec 18, 2008

  • 7 Answers

SOURCE: I'm not getting fuel pressure to the fuel rail.

check you fuel pump relay or your fuel pump shut off switch

Posted on May 20, 2009

jlisagearhea
  • 412 Answers

SOURCE: where is the fuel pump o a 1990 ford thunderbird

Dear Fuel Pump Locator.....
The fuel pump for your tbird is located inside the fuel tank of the vehicle....as well as the sending unit for the fuel .Yes it is a bear to get down on the ground...especially without a car hoist.The starter solenoid should be on the LF inner febder under neath the hood of the vehicle...I HPE I HELPED!!

Posted on Nov 20, 2009

shaunfelty13
  • 29 Answers

SOURCE: 96 Ford Thunderbird isn't getting any spark after the fuel punk and filter was changed, what could it be?

sounds like your distributor cap wires and plugs

Posted on Aug 18, 2012

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1 Answer

1990 thunderbird cranks up fine but when shift into drive or reverse car shuts off like turning switch off no jerking or anything engine just stops immediately


What happens if you give it a little gas ? Hold the RPM's up , will it keep running then ? How does it Idle , smooth or ruff ? Does the idle seam low ?

Mar 23, 2015 | 1990 Ford Thunderbird

1 Answer

How much oil do i need to put in a 1990 ford thunderbird lx 3.8 L


4.5 quarts with filter change. Run engine until it warms a bit and the oil pressure indicates a readout. Let it set a while and recheck the level .

Sep 11, 2010 | 1990 Ford Thunderbird

1 Answer

Need help replacing fuel pump. 1996 ford thunderbird lx. 3.8 can't locate how to remove gas tank.


Disconnect the battery & any fuel lines you can and the same with electrical connectors first of all. Drain the tankwith a siphon pump if 3 gallons or more of fuel is present. It gets heavy to replace back in and dangerous too.. Have the tank supported now & remove the bolts from the tanks mounting straps. Drop the tank down about 6 inches and check for other connection that need to be removed
RFemove the center retainer to remove the fuel pump with the sending unit
I would replace both items since it is an older car and also replace the filter sock to the pump too
Reverse this procedure to install

Jun 18, 2010 | 1996 Ford Thunderbird LX

2 Answers

Where is the fuel pump o a 1990 ford thunderbird


Dear Fuel Pump Locator.....
The fuel pump for your tbird is located inside the fuel tank of the vehicle....as well as the sending unit for the fuel .Yes it is a bear to get down on the ground...especially without a car hoist.The starter solenoid should be on the LF inner febder under neath the hood of the vehicle...I HPE I HELPED!!

Nov 20, 2009 | 1990 Ford Thunderbird

2 Answers

1990 Ford F150 w/302 runs rough/dies once below 1500 RPM


glad you wrote. You have the same problem that all older vehicles have with ethanol gas. Here's what you do. first, by 2 fuel filters for your truck(you seem to have a bad case). when you take it off, you'll see what looks like bad gas. it is; it's what ethanol does to the fuel and the fuel systems, the emissions, and the engine. on small engines(boat, mowers,etc.) it burns them up.<p>
Change the filter, add a can of SEAFOAM to at least 1/2 tank(s) of PREMIUM gas. run it on idle for about 5 minutes. then drive it at least 50 miles before changing out the fuel filter again.<p>
ethanol is like corn liquor, it puts water in the fuel, and turns the gas to a goopy substance. be glad you haven't burnt up the fuel pump(s).<p>
add SEAFOAM every 3000 miles to your tank(s) and it will make it run great. it will clean up the valves, the egr valve, the fuel lines, and the sediment in the pump. and it will clean the injectors.<p>
I think you caught it in time. let's hope so. good luck.

Aug 30, 2009 | 1988 Ford F 150

1 Answer

I have a 90 buick century custom 6 cylinder and when I accelerate the car shuts completely.


Check fuel pressure after replacing filter. Fuel pump may be going bad.

Jun 27, 2009 | 1990 Buick Century

1 Answer

Change fuel filter 1988 ford thunderbird 6 cylinder


In the trunk left side is inertia switch.  rap ******* side with fist, causing button to pop up on top, when this happens the fuel pump will no longer receive power.  Now try to start vehicle, should attempt to start and die.  Fuel system is no de pressurized.  PLease be careful as there is still some pressure in system! and remember to reset inertia switch when done by pressing pop up button back to the down position.

Dec 18, 2008 | 1988 Ford Thunderbird

2 Answers

The truck died,it will fire then dies,its a 1990 with a 351 fuel injection.the fuel pump is working,changed the filter,there is fuel in the line for the injectors


check to see if you have a flapper valve that operates your feul injection if you do you might have to replace it.

Aug 11, 2008 | 1990 Ford F150

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