89 E150.....Dead Heat
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Freshman User
Joined: Jun 2003
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89 E150.....Dead Heat
Hi everyone this is my first post so I hope its right.
I have a 89 E150 4.9L efi, problem is when it gets hot as in the summer, say over 80F, the truck dies, wait 15-20 mins, it runs for about another 20 miles and does it again.
I changed the ign.module, everthing seemed fine for about 500 miles but it wasnt hot. then first hot day....dies.
Ive also changed
the coil
stator in the dist.
fuel filter
dist.cap
wires
plugs
fuel regulator,
Egr valve
cleaned the throttle body with cleaner
I burned out 4 in tank fuel pumps so put an on rail 12psi in, thought it just pumps out of the tank to the high pressure anyways.
the only code i'm getting right now is code 31.
I just dont know what to change now.
hope someone can help..
thx rubbersoul
I have a 89 E150 4.9L efi, problem is when it gets hot as in the summer, say over 80F, the truck dies, wait 15-20 mins, it runs for about another 20 miles and does it again.
I changed the ign.module, everthing seemed fine for about 500 miles but it wasnt hot. then first hot day....dies.
Ive also changed
the coil
stator in the dist.
fuel filter
dist.cap
wires
plugs
fuel regulator,
Egr valve
cleaned the throttle body with cleaner
I burned out 4 in tank fuel pumps so put an on rail 12psi in, thought it just pumps out of the tank to the high pressure anyways.
the only code i'm getting right now is code 31.
I just dont know what to change now.
hope someone can help..
thx rubbersoul
Posting Guru
Joined: Jul 2003
Posts: 2,222
Likes: 1
From: East Central Florida
89 E150.....Dead Heat
I have seen a lot of ignition switches do this on all models from 83 up, cars & trucks. Eventually it will quit & not run at all. Or a worst case scenarion could be a fire in your steering column.
If you think it may be your problem, FoMoCo might R&R it for you if it has never been done yet. . . .
If you think it may be your problem, FoMoCo might R&R it for you if it has never been done yet. . . .
New User
Joined: Dec 2002
Posts: 2
Likes: 0
89 E150.....Dead Heat
You probably have another fried ign. module. It 's a
common problem with that tfi system and a lot of people that
still have it carry a spare and the tool to install it
Do a search on this site for tfii module and you will probably find
the test procedure for verifing if its good or bad.
common problem with that tfi system and a lot of people that
still have it carry a spare and the tool to install it
Do a search on this site for tfii module and you will probably find
the test procedure for verifing if its good or bad.
Junior User
Joined: Dec 2002
Posts: 51
Likes: 0
From: Norwalk
89 E150.....Dead Heat
Ford suffered some type of law suit regarding faulty modules, I had to replace mine as well as a friends. I filled out some forms along with an attached receipt, and Ford sent me a check for $107.00.
I would check and make sure there is plently of that grease between the module and the distributor
I would check and make sure there is plently of that grease between the module and the distributor
Lead Driver
Joined: Feb 2003
Posts: 8,140
Likes: 4
From: Oak Harbor, OH
89 E150.....Dead Heat
better yet go to radio shack, buy some heat sink compound and a cooling fan for a socket 370 computer processor. the tube of stuff is small so put half of it between the dizzy and the module, then put the heatsink for the cooling fan on the module and the rest of the compound between the module and heatsink. and secure it somehow (this I haven't worked out at this point. ) The cut the connector off of the cooling fan, supply the yellow wire with 12v+ and the black wire to the ground. use a wire that is hot when the ignition is on like the coil feed wire. This should help to cool that nasty little module, or you could always go rob the complete wiring harness from a 92-96 truck the relocates the module to the fender.
Thread Starter
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Freshman User
Joined: Jun 2003
Posts: 27
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89 E150.....Dead Heat
thx for your input guys.
I found out ford use to make a harrness to relocate the mod.
but they dont anymore.
I think maybe I'll just make one and relocate it to the fender.
thx again
I found out ford use to make a harrness to relocate the mod.
but they dont anymore.
I think maybe I'll just make one and relocate it to the fender.
thx again
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