Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

ECU FUSE BLOWS AND BURNED ECU

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Old Feb 14, 2012 | 10:47 AM
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BOOSTEDCRX68's Avatar
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Icon7 ECU FUSE BLOWS AND BURNED ECU

I SWAPPED OUT MY ACCORDS ENGINE WITH THE SAME YEAR VEHICLE ENGINE BUT THE NEW ENGINE IS A VTEC AND NOW I HAVE A PROBLEM WHERE MY ECU FUSE KEEPS BLOWING OUT AND I BURNED THE ECU CAN ANYBODY TELL ME WHAT TO LOOK FOR
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Old Feb 15, 2012 | 03:30 PM
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phootbag's Avatar
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Default Re: ECU FUSE BLOWS AND BURNED ECU

Sounds like a short circuit. Look for a short circuit. Could be a pinched wire or simply a connector hooked up to the wrong load causing a low resistence fault, blowing a fuse and ruining the ECM.

I've seen a similar thing on a customers car where one of our techs installed an engine from a prior year into a CRV. The connectors all went into place but some of the loads in the transmission wiring were different. Smoked the ECM.
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Old Feb 15, 2012 | 10:23 PM
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Default Re: ECU FUSE BLOWS AND BURNED ECU

Originally Posted by BOOSTEDCRX68
I SWAPPED OUT MY ACCORDS ENGINE WITH THE SAME YEAR VEHICLE ENGINE BUT THE NEW ENGINE IS A VTEC AND NOW I HAVE A PROBLEM WHERE MY ECU FUSE KEEPS BLOWING OUT AND I BURNED THE ECU CAN ANYBODY TELL ME WHAT TO LOOK FOR
well, since you replaced the non-vtec engine with a vtec version (assuming it's same type of tranny) then simply go down to your local scrap yard and get a ECU that's for the engine you replaced.

PS: don't forget to get key programmed if it's equipped with IMMO
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