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98 manual ecu cali-spec fit into my 99 auto fed-spec??

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Old 02-22-2011, 05:42 AM
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98 manual ecu cali-spec fit into my 99 auto fed-spec??
I have been searching for an entire day and i cant seem to find the right answers I'm looking for, so its time for me to ask... i know this will seem odd to some but this is my question. I have a chance to buy a 98 manual ecu cali-spec with the entire harness and an EU already attached that i want to put into my 99 auto fed-spec max. my question is would it be possible to change everything, all the harness and ecu over to mine and make it work? thanks for any response guys, I'm really stumped.

--Randy
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Old 02-22-2011, 06:09 AM
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Should be pnp for the most part. The only issue i see would be with the emission stuff.
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Old 02-22-2011, 06:25 AM
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you might get ecu codes for swirl valves and the 2 oxygen sensors that you dont have. i have a cali to fed spec convert
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Old 02-22-2011, 06:46 AM
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Originally Posted by Maxima-4DSC
you might get ecu codes for swirl valves and the 2 oxygen sensors that you dont have. i have a cali to fed spec convert

How can he get swirl codes if he's going to a 98 cali ecu? I thought the 99 cali fed specs are the only ones with swirl valves?
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Old 02-22-2011, 07:53 AM
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Hey guys thanks for all the responses if anymore info I'd really appreciate it I was really worried for about the manual and auto part. If any info on that please share. Thanks again guys.

--Randy
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Old 02-22-2011, 08:24 AM
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Originally Posted by mista0406
Hey guys thanks for all the responses if anymore info I'd really appreciate it I was really worried for about the manual and auto part. If any info on that please share. Thanks again guys.

--Randy

a auto ecu will work with a manual trans.. However a manual ecu, will not control an auto trans.

If your max was swapped over to a 5spd, then you don't need to worry about nothing. The harness should have all the connections for the 5spd stuff.
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Old 02-22-2011, 09:15 AM
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Originally Posted by 99greddymax
a auto ecu will work with a manual trans.. However a manual ecu, will not control an auto trans.

If your max was swapped over to a 5spd, then you don't need to worry about nothing. The harness should have all the connections for the 5spd stuff.
That's what I was worried about cause I have an auto and the ECU I can get is from a manual and I'm not in the right place with cash enough to do an auto to 5-speed swap right now. What about getting the harness for the 98 and just get a 98 auto ECU, would that work. Thanks again guys.

--Randy
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Old 02-22-2011, 10:11 AM
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Originally Posted by mista0406
That's what I was worried about cause I have an auto and the ECU I can get is from a manual and I'm not in the right place with cash enough to do an auto to 5-speed swap right now. What about getting the harness for the 98 and just get a 98 auto ECU, would that work. Thanks again guys.

--Randy
You can get a 98 auto harness and ecu and put it into your 99. Once you do the 5spd swap, then pop in the 98 manual ecu.
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Old 02-22-2011, 11:22 AM
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^^^^ I can't use the harness that will come the 98 manual ECU with a 98 auto ECU?? Thanks 99greddymax for all the answers
Last edited by mista0406; 02-22-2011 at 11:54 AM.
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Old 02-22-2011, 11:35 AM
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Originally Posted by 99greddymax
You can get a 98 auto harness and ecu and put it into your 99. Once you do the 5spd swap, then pop in the 98 manual ecu.
Im pretty sure you can switch two wires and plug the 99 harness into 98. I could be way off, its just reading no experience.
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