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Transmission

Tiny
TINGTING1212
  • MEMBER
  • 2003 MITSUBISHI ECLIPSE
  • 3.0L
  • V6
  • FWD
  • AUTOMATIC
  • 150,000 MILES
I have a SOHC and my transmission went out. I went to pick and pull and pulled an 2000 same everything. But it still stays in limp mode and is throwing a code for incorrect third gear ratio. Did I get a bad transmission? Does this year no work with the 2003? If I have to get another one can it be from a DOHC or does it have to be from. A SOHC. And do I have to have one from a 3.0 or can it be a 2.6?
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Friday, January 20th, 2017 AT 11:32 AM

11 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Previously answered. See pictures double arrow points to input sensor single arrow output. Check harness for being bad as well as connections.
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Friday, January 20th, 2017 AT 12:29 PM
Tiny
TINGTING1212
  • MEMBER
  • 16 POSTS
Do you know if the input and output speed sensors are the same from the 2000 and the 2003. Because I bought new ones for a 2003 but put a 2000 transmission in my vehicle.
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Friday, January 20th, 2017 AT 12:31 PM
Tiny
TINGTING1212
  • MEMBER
  • 16 POSTS
The code it shows is a p0733- power train gear three incorrect third gear ratio.
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Friday, January 20th, 2017 AT 12:58 PM
Tiny
TINGTING1212
  • MEMBER
  • 16 POSTS
Also, is their a way figuring out what transmission type I had if I already got rid of my old one? Had to take it to pick and pull to get my core fee back.
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Friday, January 20th, 2017 AT 1:00 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Not unless there is a code on the glove box. It may say which transmission is in it, but normally those are RPO codes and we do not have those. Check the stuff I sent you as well as what I said on private message.
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Friday, January 20th, 2017 AT 1:13 PM
Tiny
TINGTING1212
  • MEMBER
  • 16 POSTS
So I notice on my sensor plug one of the wires is slightly exposed. Could this be causing my issue?
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Friday, January 20th, 2017 AT 1:15 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,466 POSTS
F4A512LZP Was only used in 2003-2005 Mitsubishi Eclipse GTS with the 3.0 and is the correct transmission you need.

F4A512E6B Was used in the 2000 Eclipse with the 3.0. It has a different ratio for third which is why it is throwing the code.

From the outside the transmission looks exactly alike but they use different gearing.
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Friday, January 20th, 2017 AT 1:32 PM
Tiny
TINGTING1212
  • MEMBER
  • 16 POSTS
Thank you very much. So am I able to take a transmission from car with a SOHC or does it have to be SOHC like my vehicle. Because it seems the SOHC Eclipse like mine are not at pick and pull. But their are many SOHC's.
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Friday, January 20th, 2017 AT 1:36 PM
Tiny
TINGTING1212
  • MEMBER
  • 16 POSTS
Does anyone have any insight whether or not I can put a transmission from a car that is DOHC on one that is SOHC?
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Friday, January 20th, 2017 AT 3:09 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Reread what Steve W wrote on his reply as long as the transmission has those numbers either a tag on transmission or stamped usually by pan rail you should be okay.
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Friday, January 20th, 2017 AT 3:19 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,466 POSTS
F4A512LZP is the only transmission that will directly interchange and it only came in those years and those cars.
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Friday, January 20th, 2017 AT 3:33 PM

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