Seems to me the TFI always fails when hot. Most of them work OK when it's cold then geive up when hot.

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2000 F150 XLT 4x4 Short Bed. Amazon Green, 5.4L, SuperCab, ORP, Tow Package, Sliding Rear Window, Electronic Shift, Keyless Entry, LT265-70-17 Tires, Clarion Pro Audio, Herculiner Bedliner, Air Silencer Removed.

1994 SVT Mustang Cobra. #1032 of 6009. Black coupe with black leather int., 3.73 rear, Bassani Exhaust, Aluminum D/S, Bridgestone RE-71 255-45-ZR17

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That's it.... I replaced the TFI Module, working great now. The guy at Discount Auto Parts also said they sell lots of TFI modules. I also had to get the special tool to remove the bolts. Thanks a bunch jstang.



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1987 F150 with 67000 original miles.

 

I hope they supplied you with the dielectric grease, that goes on back when mounting. It helps in keeping that unit cool.Also check you dist for excessive shaft play, that can effect the hall sensor, and be one of the reasons the TFI failed.

[This message has been edited by jstang (edited 06-03-2001).]

 

Yes, the dilectric grease came with the TFI module. I'll check the dist. for the shaft play you mentioned. Thanks for your help.



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1987 F150 with 67000 original miles.