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Author
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Topic: Bad Computer (ecu)
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Built88LX
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Member # 10758
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posted
 
 
So im thinking that my computer is no good on my foxbody is there any way to test it? My car will run for a few minutes then shut off. not sure if it could be that or bad mass air sensor.can somebody offer any advice thanks cafords.
Posts: 2390 | From: $acramento | Registered: Mar 2011
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Blind
2.3L
CAFords OG
Member # 3052
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posted
that sounds like the signs of a bad TFI or a bad MSD ignition box if you have one.
TFI most likely, it's the sensor on the distributor.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Built88LX
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Member # 10758
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posted
quote:
Originally posted by Blind:
that sounds like the signs of a bad TFI or a bad MSD ignition box if you have one.
TFI most likely, it's the sensor on the distributor.
Already tested the TFI module 4 times always passed and I dont have msd box only running msd cap/rotor and coil.could it be the mass air sensor
Posts: 2390 | From: $acramento | Registered: Mar 2011
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by Built90GT:
quote:
Originally posted by Blind:
that sounds like the signs of a bad TFI or a bad MSD ignition box if you have one.
TFI most likely, it's the sensor on the distributor.
Already tested the TFI module 4 times always passed and I dont have msd box only running msd cap/rotor and coil.could it be the mass air sensor
doubtful, was the TFI tested when hot? They fail when hot usually, if it was tested cold it will obviously pass as the car runs fine at first.
the mass air won't make the engine shut off, but if you want to test it just unplug it and run without.
the problem could also be your fuel pump dying.
When it dies, have you checked for spark & fuel pressure?
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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99 blue bird
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Member # 10367
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posted
i have a computer you can have
Posts: 169 | From: 707 | Registered: Oct 2010
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Built88LX
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Member # 10758
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posted
Update:car is having fuel problem only getting 32psi so thinking my fuel pump is going out tested everything else so thats my theory...
Posts: 2390 | From: $acramento | Registered: Mar 2011
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Sydewayz_Stan
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Member # 10217
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posted
quote:
Originally posted by Built90GT:
Update:car is having fuel problem only getting 32psi so thinking my fuel pump is going out tested everything else so thats my theory...
did you check the fuel pressure with the vacuum line off the fpr?
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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