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Need to change computer?

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1994MustangSVT

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Discussion starter · #1 ·
i have a 94 mustang cobra, i just put a 308 with a e303 cam in it. when I have the car running and get the car warmed up, and turn it off, then start it, the car just shuts off, guy at ford said to put a new idel air control sensor and tps sensor on it and I did but still does it lol. i talked to someone today and they said the stock computer in my car is not set up for the cam i have, and that i have to put a msd box and fan rely swith on too. he said i have to get a computer out of a fox body mustang for it to work... is this true that i have to do all of this.. or does someone know what could be wrong? please help because i don't know what to do.

Thanks for your time, and help
Ron
 
#3 ·
is everything hooked up...maf,o2's etc? have you set the tps?timing? checked all vacuums
 
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Discussion starter · #4 ·
I took the upper intake off checked the lines, changed the gaskets, maf cleaned out hooked back up, can't set timing because it won't stay started, when started it idles at 1000 rpms, I have no clue what to do next... lol I'm out of ideas :/
 
#8 ·
vfast said:
is everything hooked up...maf,o2's etc? have you set the tps?timing? checked all vacuums
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:dunno
 
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#11 ·
Hello i have a 1990mustang 5.0. I put a new motor 306ci. Have 24inj,msd ignition,75mas,tfw alum heads ect. Im having the same issue with my car warming up and then when it is warmed up it shuts off cant keep it running!! Do you recommend i put a sct chip into the car?
 
#12 ·
fastnifty50 said:
Hello i have a 1990mustang 5.0. I put a new motor 306ci. Have 24inj,msd ignition,75mas,tfw alum heads ect. Im having the same issue with my car warming up and then when it is warmed up it shuts off cant keep it running!! Do you recommend i put a sct chip into the car?
Click to expand...
Try the self test I posted up there somewhere. See if you come up with any codes before you buy a SCT chip.
 
#14 ·
The '94-'95 computers are a little tricky and yes the old fix was to switch to a fox body computer but with modern technology and Mustang tuner should be able to fix the problem. You can do this one of two ways, have a tuner actually put the car on a dyno and tune it, or you can list all of your mods and have a chip shipped to you.
 
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neverfastenough1
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