PLEASE Need Help with Engine Swap On 2004 Mazda 3 2.3L 5-Speed ! - Mazda3 Forums : The #1 Mazda 3 Forum


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View Poll Results: Need to replace 2.3 engine on my mazda 3
2.3L engine from automatic to my 5-speed 1 100.00%
2.0L will it fit? 0 0%
Voters: 1. You may not vote on this poll

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Old 11-24-2009, 05:11 PM   #1
palka_usa
Bicycle Rider
 
Join Date: Nov 2009
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Default PLEASE Need Help with Engine Swap On 2004 Mazda 3 2.3L 5-Speed !

Professionals, i need help bad! I have 2004 mazda 3 2.3L 5-speed. My engine died and i need to find the cheapest way for my car too be running.

1. I looked for 2.3 engine and come across problem. Online they separate automatic and manual. Can i buy engine from automatic mazda and put it in my? are the engines the same?

2. I found online 2.0 engine twice cheaper then 2.3L . againe i need to fix my mazda3 cheap. Can i buy 2.0L and stick it in my car? will i need to change anything? in order to to this swap, should i buy new main computer, transmission for 2.0L engine? new speed sensor or speedometer for 2.0?

Thanks for your help!
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Old 11-24-2009, 05:24 PM   #2
palka_usa
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Join Date: Nov 2009
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Default Re: PLEASE Need Help with Engine Swap On 2004 Mazda 3 2.3L 5-Speed !

By the way, My email is : kudravets@gmail.com
Thanks again everyone!
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Old 11-30-2009, 02:57 PM   #3
ekanddsm
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Default Re: PLEASE Need Help with Engine Swap On 2004 Mazda 3 2.3L 5-Speed !

just swap the front pulley and intake cam from the old engine to the new engine whatever you put in, and it should start, but not run anywhere close to what it is supposed to.
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Old 11-30-2009, 07:49 PM   #4
gismo51
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Default Re: PLEASE Need Help with Engine Swap On 2004 Mazda 3 2.3L 5-Speed !

I'm kinda new to Mazda ownership but AFaIK most injected engines are ECU specific. I'm guessing that you'll need a ECU for the 2.0L engine.
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