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Dead ECU

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Old Apr 16, 2014, 10:11 PM
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Dead ECU

New to the forum, I'm looking for an ecu for my 02 OZ rally. The ID# is mr578519. I've searched all over eBay and every other part distributers with no luck. I can't justify buying an ecu for a Grand when I bought the car for $1500 a few years back. The ecu is taking a dump and isn't getting spark to #2 and #3 cylinders. So I'm hoping maybe one of you fellow gear heads have one sittin on a shelf in your garage somewhere. Thanks -Tank
Old Apr 17, 2014, 04:32 PM
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Anyone know if there's a way to possibly refurbish the ecu I have? I'm guessing its not as simple as spraying some dust-off in the pins.....

Last edited by Tank1821; Apr 17, 2014 at 04:39 PM.
Old Apr 17, 2014, 04:42 PM
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Auto or manual?
Old Apr 17, 2014, 06:00 PM
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Manual 5 speed. Anyone know of an interchangeable ecu compatible with my application?

Last edited by Tank1821; Apr 17, 2014 at 06:11 PM.
Old Apr 17, 2014, 06:51 PM
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Its not the coil packs, not the wires, I have a feeling its either the ecu or a burned wire somewhere in the harness. Has anyone had this problem before?
Old Apr 17, 2014, 07:32 PM
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Anyone?
Old Apr 19, 2014, 02:15 PM
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Anyone know of another reason why I'm missing on two cylinders? A wiring diagram for the coils would be a huge help. I know I'm getting fuel. I've tested all the injectors. Im getting spark from two wires. But the other two are dead. I've tried switching the coils to see if it would follow the "bad" coil (if there was one) but it didn't. It stayed at the #2 and #3 cylinders. Any ideas? Thanks.
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