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2jz ecu cap problems

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Old Sep 19, 2013 | 06:45 AM
  #1  
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Default 2jz ecu cap problems

Hey dudes, Ive been reading about bad capacitors in the 1jz ecu's and other models, do the 2jzgte ecu's have these issues too? I'm having the most weird issues ever on my 95 gte swap...
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Old Sep 19, 2013 | 10:34 AM
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Not that i know off, I have done over 20 swaps and have never had any issues with the 2jzgte ecu .

But the 1jz ecu is some crap..

What issues are you running into?
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Old Sep 21, 2013 | 10:16 AM
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my power is very inconsistent lately. under half throttle, i boost and drive fine. under heavy throttle, I break up. even in neutral, i cant rev past 5k if i floor it. some days its 4k, some days its like 6k. i figured it was a coil pack issue, but i replaced all 6, replaced plugs, and used heat shrink and still no difference. when i watch the boost gauge under high throttle, the boost drops off after hitting normal boost levels. under light throttle, i hold boost perfect.
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Old Oct 10, 2013 | 08:55 PM
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also, Ive read that aristo ecu's are starting to have bad caps, I just cant find any precise info on the caps themselves.
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Old Oct 16, 2013 | 04:08 PM
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Originally Posted by StarkoS14
my power is very inconsistent lately. under half throttle, i boost and drive fine. under heavy throttle, I break up. even in neutral, i cant rev past 5k if i floor it. some days its 4k, some days its like 6k. i figured it was a coil pack issue, but i replaced all 6, replaced plugs, and used heat shrink and still no difference. when i watch the boost gauge under high throttle, the boost drops off after hitting normal boost levels. under light throttle, i hold boost perfect.
6 coil packs on 99 model???
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Old Oct 16, 2013 | 08:44 PM
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Originally Posted by PMP 300
6 coil packs on 99 model???
its a 95 gte swap
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Old Oct 29, 2013 | 07:14 AM
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here are the caps and quantity from my 95 aristo 2jz-gte ecu

10uf 50v x2
15uf 35v x1
47uf 63v x2
100uf 10v x1
100uf 100v x1
220uf 16v x1

here is a great link on replacing caps for the other lexus ecus, which are pretty similar to the gte

https://www.clublexus.com/forums/ls4...capacitor.html

Last edited by StarkoS14; Oct 29, 2013 at 10:57 AM.
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Old Nov 7, 2013 | 01:22 PM
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can anyone confirm the 100uf 100v for me? I think it might be 2x 100uf 10v
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