computer fried? (pic)
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New User
Joined: Sep 2005
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computer fried? (pic)
I bought a 94 f150 4.9/E40d a couple weeks ago. The truck only has 89k miles and is really clean and original. It's had a bit of a high idle since I got it, but otherwise rand great. Unplugging the iac did not affect the idle at all. I tested the iac, tps, checked for vacuum leakes and everything checked out good. Now when you press the gas pedal the truck wants to immediately stall out. I pulled the computer tonight to have a look inside and found this. Could this cause the problems I am having? I'm guessing either way the computer needs to be replaced. Thanks for any advice.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Leaky capacitors are pretty common and not that hard to change out.
https://www.ford-trucks.com/forums/1...e-problem.html
https://www.ford-trucks.com/forums/1...e-problem.html
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Well actually that may not be far from the truth, leaking electrolytic capacitors are a known problem with these PCM modules(or any electronics that is 20+ yrs old) but unless they completely short out and burn up the board then it's entirely possible the module can be salvaged by simply replacing all those little oil can looking things. If you are at all handy with an electronics soldering iron or know somebody that is then it won't take more than a few minutes to replace the capacitors , just make sure they are the same uF or mfd value, the same or greater voltage rating, and are installed with correct polarity... look for a + marking on the board under the cap or take pictures and put everything back the same way.
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Postmaster
Joined: Nov 2011
Posts: 3,533
Likes: 17
From: SW Florida
+1 for fixing that.
WAY cheaper than replacing the EEC with a "reman"... which may or may not actually be reman'd.
WAY cheaper than replacing the EEC with a "reman"... which may or may not actually be reman'd.
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Laughing Gas
Joined: Nov 2013
Posts: 871
Likes: 6
From: Orcas Island, WA
Thats a bit pricey if all they do is swap out the caps and retest. I'm handy with a soldering iron, maybe I should start a caps replacement service.
Logistics Pro
Joined: Mar 2005
Posts: 4,698
Likes: 47
From: Mexico, Missouri
True, and I was outraged with Ford and their dozen or so different PCMs. Mine was destroyed! The caps leaked out and ate through the traces on the board. I wish I could record what I really had to say when I started looking for the replacement. I'd you do a search at O'Reilly auto parts, there are a lot of different PCMs..and since I didn't have ime to trial and error, I ponied the money so I would know I had an identical PCM. My PCM was coded, T2D1. There were cheaper ones, but I can't gamble on a vehicle if its not running. I also tried replacing the caps and jumpering the breaks in the traces, but the fuel pump ran continously.
Fleet Owner
Joined: Oct 2005
Posts: 20,780
Likes: 1,746
From: Kentucky
Thread Starter
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New User
Joined: Sep 2005
Posts: 18
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We will see. What other choices are there? It seems that there are only a couple companies that reman them.
Fleet Owner
Joined: Oct 2005
Posts: 20,780
Likes: 1,746
From: Kentucky
Standard Motor Products (SMP) is my favorite: Standard - eCatalog
These two places could repair yours and come recommended from other FTE members:
Auto Computer Exchange | Remanufactured OEM Auto Computers
Ecu Repair Now, automotive circuit board testing and repair
These two places could repair yours and come recommended from other FTE members:
Auto Computer Exchange | Remanufactured OEM Auto Computers
Ecu Repair Now, automotive circuit board testing and repair
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 12
From: Sand Lake, MI
You'd been better off repairing yourself or having yours repaired local first, odds are pretty good it work fine again once those caps where replaced.
Don't wanna take it on yourself any local TV repair shop or any place does board level electronic repair work should be able to handle the job and for around 20 bucks or so.
About a 15 minute job change those caps for a guy does that kinda work every day and should be able to tell you by looking at the board what its chances are once the caps are replaced. Damaged and beyond repair, or real good chance it will be just fine was caught it in time.
Don't wanna take it on yourself any local TV repair shop or any place does board level electronic repair work should be able to handle the job and for around 20 bucks or so.
About a 15 minute job change those caps for a guy does that kinda work every day and should be able to tell you by looking at the board what its chances are once the caps are replaced. Damaged and beyond repair, or real good chance it will be just fine was caught it in time.