'05-'06 ECU in a '03?

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Jan 13, 2007 | 09:09 PM

RolanDSM

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'05-'06 ECU in a '03?

Would an '03 run better with the newer 05 or 06 ECU?

I was talking to a guy who has a newer ECU in his car and was wondering whether or not it would help, or hurt his hp and tq.

Thanks

Last edited by RolanDSM; Jan 13, 2007 at 09:23 PM.

Jan 14, 2007 | 12:10 PM

Shift_Z33

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Im not sure the immobilizer would allow that. That is, unless someone can re program it.

Jan 14, 2007 | 11:20 PM

RolanDSM

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Assuming it would allow it, would the hp and tq increase or decrease?

Jan 15, 2007 | 05:25 AM

Julian@MRC

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What would make you think an ECU designed for a totally different engine would work in an 03? The 05-06's have variable timing on both intake and exhaust cams.Completely different ECU's and part #'s.

Jan 15, 2007 | 11:35 AM

RolanDSM

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That's exactly the answer I was looking for, thanks. I didn't know it was a "totally different engine" with "completely different ECU's", that's why I asked.

Jan 15, 2007 | 12:55 PM

Julian@MRC

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Quote:

Originally Posted by RolanDSM

That's exactly the answer I was looking for, thanks. I didn't know it was a "totally different engine" with "completely different ECU's", that's why I asked.

Also a MT and a A/T are different part #s. And once an ECU is powered up in a car it marries to that key and will not start a different car unless you deporgram the imobilizer with the nissan consult tool.