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post #1 of 9 (permalink) Old 04-01-2013, 04:16 PM Thread Starter
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stalls when getting on freeway.

96 t-bird 4.6 v8. the car drives fine but whenever I have to punch it, it acts like its not getting any fuel. whenever i've been able to hear this, it sounds like the fuel pump is dry pumping. I already changed the filter and its seems to have helped a little but the problem still persists. also this ride has horrible fuel mpg's.
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post #2 of 9 (permalink) Old 04-01-2013, 04:27 PM
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please list any and all maintenance you have done to your car. (aside from fuel filter).
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post #3 of 9 (permalink) Old 04-01-2013, 06:45 PM
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Not just maintenance, include mods to. Mods are just as important as performed maintenance as well as what hasn't been done.

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post #4 of 9 (permalink) Old 04-02-2013, 08:46 PM
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did you put the fuel filter on flowing the right way?

otherwise yes, have you done 'the usual'

RUST!! eating away at me more than the rear fender wells
95 Deep Jewel Green 40th Anniversary Bird / Stock SOHC 190k 96-97 intake swap, 97 Mk8 4R70W, Jmod, 3L27 / energy susp rear spindle, and cobra arm bushings, 93 Mk8 shaft, and LCAs, 225/60r16 on Windstar twin 5spokes, Vogtland 1.6drop springs, Tokico Blues, PBR, and rear-disk swap, 89 SC swaybars
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post #5 of 9 (permalink) Old 04-02-2013, 09:37 PM
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Any codes?

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post #6 of 9 (permalink) Old 04-03-2013, 03:20 PM Thread Starter
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all i've had a chance to do is the fuel filter and it has no codes.
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post #7 of 9 (permalink) Old 04-03-2013, 03:29 PM
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Maybe your fuel pump is failing? Mine stopped holding pressure after shut off by 130,000 miles. My current pump, a Walbro GSS 340 (255lph), does.

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1996 Thunderbird LX. Gone, but not forgotten Oct 1995-March 24 2016 Trick Flow headded, E85 guzzling beast.

1985 Mustang GT. modified stock Holley 4180C, Weiand Street Warrior intake manifold, equal length headers, true dual exhaust, 5 speed, 3.55:1 8.8'' rear end, Ford Racing 10.5" clutch.

1998 Mustang GT premium. Trans Go shift kit, Bassani catted x-pipe, PI heads, cams, intake swap, Accufab elbow, SCT Xcal 4 tune, Eibach Pro-kit, Maximum Motorsports Caster/camber plates, fat tires. Banging audio system.
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post #8 of 9 (permalink) Old 04-03-2013, 04:28 PM
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I would check fuel pressure first. How bad was the old filter you took off. If you hear the pump starving for gas, you may have a bad fuel level sensor showing you have more fuel then you do. Fuel pump will cut out and do alot strange stuff when going bad and not throw any codes.
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post #9 of 9 (permalink) Old 04-03-2013, 06:29 PM
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never a good idea to run a fuel pump low on fuel either, they use the fuel to keep cool and lubricated.

definitely good to start with fuel pressure, maybe toss a can of sea-foam in their for [email protected]# and giggles.

also, how many miles are on said bird, if its over 150-200k then the pump is most likely dead/dying. especially if the filter was neglected.

plus if the filters are neglected long enough, they sometimes break down and dump filter material and gunk into the rail and injector screens. if those screens get packed with that stuff they of course wont work.

RUST!! eating away at me more than the rear fender wells
95 Deep Jewel Green 40th Anniversary Bird / Stock SOHC 190k 96-97 intake swap, 97 Mk8 4R70W, Jmod, 3L27 / energy susp rear spindle, and cobra arm bushings, 93 Mk8 shaft, and LCAs, 225/60r16 on Windstar twin 5spokes, Vogtland 1.6drop springs, Tokico Blues, PBR, and rear-disk swap, 89 SC swaybars

Last edited by nall_one; 04-03-2013 at 06:35 PM.
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