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Is my ecu fried??? ***pix inside***

Old 02-15-2007, 12:23 AM
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Default Is my ecu fried??? ***pix inside***

Ecu was fine before I chipped it but now I think it's fried. I need your expert opinions. Even with J1 gone my car throws a solid cel when ignition is on and would run as if it was in limp mode and gonna die. I put on another ecu and cel was gone. I think the solder might have crossed some where I'm not sure. What stupid mistakes can you make to fry an ecu when chipping it. Well here are the pictures...help an idiot out.





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Old 02-15-2007, 12:44 AM
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Default Re: Is my ecu fried??? ***pix inside***

Wow...cold solder joints like whoa. Try resoldering those pins for the socket, make sure to use a good soldering iron too, at least a 25-40 watt pencil tip.
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Old 02-15-2007, 01:38 AM
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Default Re: Is my ecu fried??? ***pix inside***

But J1 isn't even connected so whatever's soldered in wouldn't even afffect the rest of the ecu right? Cause I'm getting a solid cel even when J1 is off.
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Old 02-15-2007, 04:21 AM
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Default Re: Is my ecu fried??? ***pix inside***

Originally Posted by Type-X
But J1 isn't even connected so whatever's soldered in wouldn't even afffect the rest of the ecu right? Cause I'm getting a solid cel even when J1 is off.
you really fucked up some ---- then
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Old 02-15-2007, 02:23 PM
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Default Re: Is my ecu fried??? ***pix inside***

Originally Posted by slo_crx1
Wow...cold solder joints like whoa. Try resoldering those pins for the socket, make sure to use a good soldering iron too, at least a 25-40 watt pencil tip.
85watts FTW
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Old 02-15-2007, 03:00 PM
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Default Re: Is my ecu fried??? ***pix inside***

I rock the 35 watt Craftsman special and its fine. If I were you I would take an entire roll of desoldering braid to the back and clean in between the pins where you soldered.
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Old 02-15-2007, 04:35 PM
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Default Re: Is my ecu fried??? ***pix inside***

Would bad soldering cause an ecu failure? Only if you burnt the board right? I'm looking at the ecu right now and it doesn't seem like it had severe burns. Any clues guys...
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Old 02-15-2007, 05:00 PM
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Default Re: Is my ecu fried??? ***pix inside***

Originally Posted by Type-X
Would bad soldering cause an ecu failure? Only if you burnt the board right? I'm looking at the ecu right now and it doesn't seem like it had severe burns. Any clues guys...


thats the only reason. Ripped traces also
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Old 02-15-2007, 11:52 PM
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Default Re: Is my ecu fried??? ***pix inside***

I cant tell if its glare or not...but it looks like you have a lot of stray solder in the J1 area...maybe something is touching.
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Old 02-16-2007, 12:21 PM
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Default Re: Is my ecu fried??? ***pix inside***


Are these leads touching the ECU cover plate? They look rather long.
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