Bad pcm
https://cimg9.ibsrv.net/gimg/www.f15...2989ce8eec.jpg
https://cimg0.ibsrv.net/gimg/www.f15...523f0ee539.jpg https://cimg1.ibsrv.net/gimg/www.f15...92de4491c2.jpg https://cimg2.ibsrv.net/gimg/www.f15...f653112da2.jpg https://cimg3.ibsrv.net/gimg/www.f15...f3ff4874fd.jpg I am not sure what this cylinder one is called Hi all, Its been a while since i posted but i think i finally found out the random misfire that has been going on with my truck for years. After running all the test (TPS, air temp sensor etc.) i took out the PCM and found these three capacitors that seem to be friend. I was wondering if anyone has ever replaced these before and what exactly they do (i cant seem to find a diagram for them). Also if anyone could tell me what kind of resistor (size) that last picture is along with that black cylinder looking capacitor (i think its a capacitor) that would be great. This PCM is out of a 1995 F150 5.8L, E40D 2wd |
That black component looks like a diode.I can't tell exactly all the colors on that resistor from the pic. I wouldn't waste time trying to fix that PCM. Save it for a core and get a REMAN from a good parts source. Myself, I would get one from Rock Auto.
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Originally Posted by raski
(Post 5835701)
That black component looks like a diode.I can't tell exactly all the colors on that resistor from the pic. I wouldn't waste time trying to fix that PCM. Save it for a core and get a REMAN from a good parts source. Myself, I would get one from Rock Auto.
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The small vertical ones are electrolytic capacitors. They're available cheap, and are easy to replace, if you have a steady hand & understand soldering. Read this thread:
https://www.fordf150.net/forums/view...p?f=21&t=97221 The last one is a high-current power diode. That might take a little more effort to find, and it'll take a MUCH-bigger soldering iron to R&R. |
Originally Posted by Steve83
(Post 5836878)
The small vertical ones are electrolytic capacitors. They're available cheap, and are easy to replace, if you have a steady hand & understand soldering. Read this thread:
https://www.fordf150.net/forums/view...p?f=21&t=97221 The last one is a high-current power diode. That might take a little more effort to find, and it'll take a MUCH-bigger soldering iron to R&R. |
They control capacitation. ;) They don't directly control any one thing - they're just parts of their circuitry.
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