Car Forum1995 mustang gt runs then cuts off once warmed up
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Car Forum1995 mustang gt runs then cuts off once warmed upPosted:

Rareparrot
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Hello guys i have a 1995 mustang gt that i bought for 1300 today and the guy told us it runs but as soon as it warms up it cuts off and wont start up untill its cooled back down.
https://youtube.com/shorts/NrbpRVgfX-c?feature=share
https://youtube.com/shorts/WTrWHtamyes?feature=share

Can anybody tell us whats wrong
#2. Posted:
-Subway-
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I am no expert but spark plugs need to be changed I am sure and probably a new fuel tank.
#3. Posted:
Disc
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need to do the obvious.

check fuel, (getting fuel to rails? what psi, condition of fuel)
check spark (fouled plugs, old plugs)
#4. Posted:
Jen
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The ignition switch possibly? Surprisingly it could be the battery too?

I know you can usually bring it to a shop to get it checked out and they usually can run a couple tests on it 2 or 3x

Does it idle okay when it runs before it shuts off because usually it if it's revs crazy it's a sensor or misfire

Also is it a 5 speed or auto?
#5. Posted:
Rareparrot
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Jen wrote The ignition switch possibly? Surprisingly it could be the battery too?

I know you can usually bring it to a shop to get it checked out and they usually can run a couple tests on it 2 or 3x

Does it idle okay when it runs before it shuts off because usually it if it's revs crazy it's a sensor or misfire

Also is it a 5 speed or auto?

The fuel is good nothing fuel related and it backfires a few its an auto
#6. Posted:
Rareparrot
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The crazy thing is it idles fine then starts doing its thing we have ordered a distributer and a new plugin that goes to the distributer
#7. Posted:
Disc
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Rareparrot wrote
Jen wrote The ignition switch possibly? Surprisingly it could be the battery too?

I know you can usually bring it to a shop to get it checked out and they usually can run a couple tests on it 2 or 3x

Does it idle okay when it runs before it shuts off because usually it if it's revs crazy it's a sensor or misfire

Also is it a 5 speed or auto?

The fuel is good nothing fuel related and it backfires a few its an auto
sounds spark related, id use an oscilloscope to check spark and see which is ur issue
#8. Posted:
Disc
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Jen wrote The ignition switch possibly? Surprisingly it could be the battery too?

I know you can usually bring it to a shop to get it checked out and they usually can run a couple tests on it 2 or 3x

Does it idle okay when it runs before it shuts off because usually it if it's revs crazy it's a sensor or misfire

Also is it a 5 speed or auto?


ignition switch wouldnt be an issue besides trying to start. cars dont run on the battery they run on the DC voltage the alternator puts out. you can disconnect a battery and drive a car if the alternator is putting out the current current
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Jen
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[quote="Disc"]
Rareparrot wrote
Jen wrote The ignition switch possibly? Surprisingly it could be the battery too?

I know you can usually bring it to a shop to get it checked out and they usually can run a couple tests on it 2 or 3x

Does it idle okay when it runs before it shuts off because usually it if it's revs crazy it's a sensor or misfire

Also is it a 5 speed or auto?

The fuel is good nothing fuel related and it backfires a few its an auto
sounds spark related, id use an oscilloscope to check spark and see which is ur issue[/quote/]



Yeah if back fires sounds more like spark plugs for sure^^^^
I remember my BMW would go crazy like the RPMS and rev when it needed sparks plugs but idk it could be a lot of different things with the rev best options have it checked out , tried to help the best I can if you lived local id check it out with my BF lol
#10. Posted:
Disc
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Rareparrot wrote The crazy thing is it idles fine then starts doing its thing we have ordered a distributer and a new plugin that goes to the distributer


have you verified timing is correct at TDC?

is the dizzy 180 out? id start at the beginning and retime the engine and get it set at TDC and go from there.
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