97.5 J30 P0733 Trans Code

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Hattrick
Posts: 3
Joined: Sat Jul 02, 2005 5:07 am
Car: 97.5 J30

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Just bought a 97.5 J30 last night. I am pumped with the find and the condition is excellent.... BUT!?!. On the way home the Service Engine Soon light comes on. Scanned the codes this a.m. and got P0733 3rd gear ratio problem. Does any one have a trouble tree to diagnos this code? Any info or advise is appreciated.


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metaverse3
Posts: 415
Joined: Fri Aug 27, 2004 7:42 pm

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Where did you get the codes read ? How was it done ?

That code points to the transmission.. I would suspect a solenoid failing with regards to that gear. I would take it to a transmission shop to check it out.

How is the shifting in the car ? what is the mileage ? An overhaul of the transmission fluid with a cooler install would not hurt and would be a good place to start.

Hattrick
Posts: 3
Joined: Sat Jul 02, 2005 5:07 am
Car: 97.5 J30

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Found an Infiniti TSB on the code that directs me to the TPS. The old records I got with the car indicate the previous owner had a TPS code so I feel like he replaced it with a non OEM part. With that info I am looking at replacing the TPS with OEM if the code returns.The shift is great, the transmission was flushed and the screen cleaned by dealer 10k ago. The code was pulled with my Snap On scanner.

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metaverse3
Posts: 415
Joined: Fri Aug 27, 2004 7:42 pm

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Go with an OEM infiniti/nissan TPS sensor. I learnt that lesson years ago on my GXE when I bought a borg-warner TPS sensor only to worsen the problem.. Going OEM fixed the issue.. same thing..transmission abnormal shifting..

If you feel adventurous, check this site out: http://www.cardomain.com/ride/748507/6

It has a TPS disassembled which is identical enough with the J30 unit... I would order a nissan spare and then take the risk of disassmebling the old one if you are going this route.. Regardless..good luck


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