car stalls

87 GT MUSTANG · 12-09-2002, 11:09 PM

Need help with this one. my car is a 1995 mustang gt and when i drive it for about 15 - 20 minutes the car just cuts out on me, there is still power but no throttle, the car just dies. I will pull over to the side of the road and try and start it back up and it turns over but it is like it is not getting a spark. I have replaced my plugs,wires,cap and rotor, and my coil is now 4 months old. I brought the car into ford today and they did a series of tests and they couldn't find anything, they checked the fuel pressure and that was fine, they checked my connections and those were also fine and they also did a test on the coil which also came back fine, they tried pulling some codes but there was nothing. Ford had also takin it out for a spin and the same thing happened to them, they told me there is nothing i can do unless i let them spend more time with the vehicle, what i would like to do b4 i let them do that is ask you guys for your help on what you might think it is.

lx5091 · 12-09-2002, 11:20 PM

2 things come to mind:

#1- fuel pump relay: you will here a click when you turn the key. Listen for the fuel pump to turn on when you turn the key to the [accessory] position. If it doesn't turn on everytime, the fuel pump relay is probably bad. (est. $14)

#2- TFI module on the distributor. Many Ford vehicles have these(including your mustang) and when they get old they get burnt out. What happens is when the car gets up to 200&#176 or so the car will die. You will not be able to restart it until it cools down. (est. $60)

Oh and if it is one of these, your dealer's mechanics are idiot's, shame on them!

I wonder if anyone could add to these? Hope I've helped.

mustanggt_50 · 12-09-2002, 11:23 PM

i experienced a problem like that with my 87 Gt right after i put in the rebuilt motor, i would drive it for maybe 30 min to an hour then it would just stall, and do the same thing that you describes, it would only start back up after letting it sit for a min or two. anywho, i had a lot of stuff tested, they thought it was the tps, fuel filter, they checked the fuel pressure, said it was on the low side but should be ok. so i decided to replace the fuel pump and went to a 155lph, and the car hasnt stalled since. could be the same with yours, even though u did say the fuel pressure was fine, but i just thought i'd tell u about my simular experience.

stang4to8 · 12-10-2002, 05:21 PM

sounds like the tfi module

12-09-2002, 11:23 PM	#3
mustanggt_50 Registered Member Join Date: Dec 2002 Location: Ontario Canada Posts: 91	i experienced a problem like that with my 87 Gt right after i put in the rebuilt motor, i would drive it for maybe 30 min to an hour then it would just stall, and do the same thing that you describes, it would only start back up after letting it sit for a min or two. anywho, i had a lot of stuff tested, they thought it was the tps, fuel filter, they checked the fuel pressure, said it was on the low side but should be ok. so i decided to replace the fuel pump and went to a 155lph, and the car hasnt stalled since. could be the same with yours, even though u did say the fuel pressure was fine, but i just thought i'd tell u about my simular experience. __________________ 87 GT T-roof (needs paint) lol, rebuilt motor and trans, AOD - stage 2 shift kit, 3.73 gears - auburn posi, Dynomax Super Turbo Cat Back, FRPP 155lph fuel pump, K&N filter - air silencer removed, subframe connectors, strut tower brace. 88 GT T-roof 1989 LX Coupe 5.0 - 5spd Rice Haters Club member#105

12-10-2002, 05:21 PM	#4
stang4to8 Registered Member Join Date: Aug 2002 Location: new hampshire Posts: 48	stalling sounds like the tfi module __________________ 1988 Saleen reproduction Red H.B./Gray Saleen FloFit int. Racecraft suspension Saleen/SVO 5 lug disc brakes Saleen 5 lug mesh wheels

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12-09-2002, 11:09 PM	#1
87 GT MUSTANG Registered Member Join Date: Mar 2002 Location: Oshawa,Ontario Posts: 46	car stalls Need help with this one. my car is a 1995 mustang gt and when i drive it for about 15 - 20 minutes the car just cuts out on me, there is still power but no throttle, the car just dies. I will pull over to the side of the road and try and start it back up and it turns over but it is like it is not getting a spark. I have replaced my plugs,wires,cap and rotor, and my coil is now 4 months old. I brought the car into ford today and they did a series of tests and they couldn't find anything, they checked the fuel pressure and that was fine, they checked my connections and those were also fine and they also did a test on the coil which also came back fine, they tried pulling some codes but there was nothing. Ford had also takin it out for a spin and the same thing happened to them, they told me there is nothing i can do unless i let them spend more time with the vehicle, what i would like to do b4 i let them do that is ask you guys for your help on what you might think it is. __________________ Adam pennington

12-09-2002, 11:20 PM	#2
lx5091 Registered Member Join Date: Nov 2001 Location: Fall River, MA Posts: 467	2 things come to mind: #1- fuel pump relay: you will here a click when you turn the key. Listen for the fuel pump to turn on when you turn the key to the [accessory] position. If it doesn't turn on everytime, the fuel pump relay is probably bad. (est. $14) #2- TFI module on the distributor. Many Ford vehicles have these(including your mustang) and when they get old they get burnt out. What happens is when the car gets up to 200&#176 or so the car will die. You will not be able to restart it until it cools down. (est. $60) Oh and if it is one of these, your dealer's mechanics are idiot's, shame on them! I wonder if anyone could add to these? Hope I've helped. __________________ '02 Explorer XLT 4.0L --Nice Vehicle '97 Saturn SL1--Soon to be ditched for a Ford!