1994 F150 computer

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Drewu223
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Posts: 8
Joined: Sun Oct 30, 2016 10:18 am

1994 F150 computer

Post #1 by Drewu223 » Mon Oct 31, 2016 5:55 pm

Hello all, I am in need of help with my truck. I need to get a new ECU, but when I took mine out to look inside of it I put it back in the garage, not the truck. When I moved out of state for college my dad cleaned out the garage and apparently moved or threw out the computer, so I don't have the code to but the correct one. I can get the VIN number, but it is a 1994 F150 4x4 XL with the 300 4.9l I6, M50D manual transmission and manual transfer case. I either plan to get a new stock one, or save up and get megasquirt. I haven't messed with standalone ECUs yet but it doesn't seem too hard. The company sells the 60 pin EEC-IV adapter to plug into the factory wiring harness. The only reason megasquirt is an option for me is because I want to run small twin turbos and larger injectors, and I would need megasquirt to be able to tune everything. I'm not in a huge hurry to get the truck running but it would be nice to get everything figured out soon.

AlphaZ
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Posts: 29
Joined: Mon Oct 24, 2016 10:35 pm

Re: 1994 F150 computer

Post #2 by AlphaZ » Mon Oct 31, 2016 7:38 pm

From my experience, I've done a twin turbo build and if the engine has high miles a rebuild is recommended. I can't say much about megasquirt.
I built a megasquirt to plug into the factory harness but I never followed through with the efi part of my build. I ended up selling it.
Good luck with your twin turbo!
Vehicle:
'69 F100 with TwinTurbo 300-6

Drewu223
Registered User
Posts: 8
Joined: Sun Oct 30, 2016 10:18 am

Re: 1994 F150 computer

Post #3 by Drewu223 » Mon Oct 31, 2016 7:57 pm

Yeah mine has about 185k miles, so I'll probably rebuild it and built it up a little to withstand boost pressure

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MechRick
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Joined: Wed Jan 04, 2012 7:43 pm
Location: Las Vegas, NV

Re: 1994 F150 computer

Post #4 by MechRick » Mon Oct 31, 2016 11:00 pm

You may find a calibration code on one of the door jams (driver's A pillar, I think). You can use that to get the correct PCM.
1994 F150, 4.9L/ZF 5 speed, C-Vic police driveshaft
EFI head w/mild port work, 3 angle valve job
1996 long block, stock pistons, ARP rod bolts
Stock cam installed straight up (aluminum cam gear)
Hedman header, full mandrel bent duals, crossover, super turbos
viewtopic.php?f=2&t=73244
Bronco II with a 2.3L swap viewtopic.php?f=13&t=72863

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