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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

1989 ford troubles

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Old Jan 24, 2010 | 10:23 AM
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Wizzerd
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1989 ford troubles

Hello all
Thanks for all the responses , they helped greatly. I think its the computor thats causeing the problems . A freind of mine brought over a snap on diagnostic tool and we could get it the read anything from the computor

Everything else checks out . but i still have a few questions

Just before the fuel problem started we changed out the under dash wiring harness ,and the heater box . I cant see anything that we done under the dash caused any of the problems , am i wrong ?? Is there anything under the dash related to fuel problems (other than the tank selector switch )
Also there are two computor boxes ( dont really know what else to call them) one is under the dash and the other is in the kick panel right at the drivers feet
I think the one in the kick panel is the one I think I need to change . Right???
What is the one under the dask for ?? Could that one cause any fuel issuses .
Last question,, will a computor for a 5.6 still work on a 5.0 . I have a computor out of a 1989 5.6

thanks
Wizzards dad
 
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Old Jan 25, 2010 | 09:17 AM
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subford
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From: Easton,Ks
Originally Posted by Wizzerd
Thanks for all the responses , they helped greatly. I think its the computor thats causeing the problems . A freind of mine brought over a snap on diagnostic tool and we could get it the read anything from the computor
I do not know anything about a Snap-On scanner but you were told in another post how to get the codes without any extra equipment to pull codes.
Originally Posted by Wizzerd
Just before the fuel problem started we changed out the under dash wiring harness ,and the heater box . I cant see anything that we done under the dash caused any of the problems , am i wrong ?? Is there anything under the dash related to fuel problems (other than the tank selector switch )
Yes, the Inertia switch.
Originally Posted by Wizzerd
Also there are two computor boxes ( dont really know what else to call them) one is under the dash and the other is in the kick panel right at the drivers feet
I think the one in the kick panel is the one I think I need to change . Right???
What is the one under the dask for ?? Could that one cause any fuel issuses .
I will say no it would not cause any fuel problems whatever it is.
Originally Posted by Wizzerd
Last question,, will a computor for a 5.6 still work on a 5.0 . I have a computor out of a 1989 5.6
The 89 5.8L should still start and run the engine of your 89 5.0L.
 
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