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Will Celica 00+ Celica GT ECU work in my 03 Corolla? #68715 Dec 16, 5:10pm Dec 16, 5:10pm
Joined: Dec 2003
Posts: 2
Sacramento
WhiteS916 OP
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03 Toyota Corolla
WhiteS916 OP

New Member
03 Toyota Corolla

Joined: Dec 2003
Posts: 2
Sacramento
Will Celica 00+ Celica GT ECU work in my 03 Corolla?
Hi, I am trying to figure out if the Celica GT ECU with the 1zzfe would work in my 03 corolla, replacing my existing ECU...Both engines are the same, but the problem others have been experiencing on their older model corollas (00-02), is the transmission problem (wont match up correctly).. Someone mentioned though that the auto in my car is the same as the auto in the celica. Any info would be great thx. thumbsup

Re: Will Celica 00+ Celica GT ECU work in my 03 Corolla? [Re: WhiteS916] #68716 Dec 16, 5:25pm Dec 16, 5:25pm
Joined: Jan 2003
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Guam, U.S.A.
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2002 Toyota Celica GT
Street Prototype

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2002 Toyota Celica GT

Joined: Jan 2003
Posts: 2,161
Guam, U.S.A.
i dont think so


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Re: Will Celica 00+ Celica GT ECU work in my 03 Corolla? [Re: WhiteS916] #68717 Dec 16, 5:28pm Dec 16, 5:28pm
Joined: Dec 2003
Posts: 2
Sacramento
WhiteS916 OP
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03 Toyota Corolla
WhiteS916 OP

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03 Toyota Corolla

Joined: Dec 2003
Posts: 2
Sacramento
Dang thats frustrating, wish i could know for sure b/c as far as the engine was concerned, the redline went up, the top speed went up..but the transmission seemed to be the problem...anyone know for sure if the auto tran in the celica gt is the same as the auto tran in the 03 corolla?

Re: Will Celica 00+ Celica GT ECU work in my 03 Corolla? [Re: WhiteS916] #68718 Dec 16, 5:35pm Dec 16, 5:35pm
Joined: May 2002
Posts: 6,007
Los Angeles, CA
2001 Absolutely Red Toyota Celica GT isaac
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2001 Toyota Celica GT
isaac
2001 Absolutely Red Toyota Celica GT
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2001 Toyota Celica GT

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Posts: 6,007
Los Angeles, CA
Have you check thed the part numbers...
https://www.celicahobby.com/gal3/tech_parts_catalog
...to see if everything else in the engine is the same - trans, etc


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