大道理不懂也不熟悉你的车，只是出于好奇做了些功课，网传的一种说法觉得有些道理

1：In/out shaft speed sensor fails: Cheap fix if possible but most likely I will do first.

2: Rebuild tranny: May not worth go ahead expect you can make it.[fluid/solenoid/seals]

3: O2 sensor related can easy fix with swap test if you wanna save manoy!

My 2c

Quotes:

http://www.justanswer.com/hyundai/6nxe3-hyundai-santa-fe-code-p0733-p0734.html

http://www.hyundai-forums.com/lc-2000-2005-accent/74032-engine-check-light.html

http://www.hyundai-forums.com/cm-2007-2012-santa-fe/433489-fault-codes-p0733-p0744-stuck-3rd-gear-3.html

http://www.carid.com/2007-hyundai-sonata-transmission-solenoids-sensors-switches-control-units/

以上资讯仅供参考，年代车型等可能并不和你的一致,不过去你这个车型的论坛应该能有比较多的信息。

 

所有跟帖： 

• 谢谢！我的就是Hyundai 2007 Sonata 6 cylinder -FrSpain- ♀ (0 bytes) () 03/23/2016 postreply 17:09:41

• 看过你前面的帖子，第一个链接有时间你可以给你家里劳工看看，也许是个思路。开始我也猜测 -Oneshotkill- ♂ (297 bytes) () 03/23/2016 postreply 17:18:02

• +1 -soccer88- ♂ (0 bytes) () 03/23/2016 postreply 17:19:16

• 谢谢！内部油封实效或内部开裂造成油压失准 英文怎么说啊？2个传感器是指哪两个？ -FrSpain- ♀ (202 bytes) () 03/24/2016 postreply 06:53:50

• Seal or gasket failure -MoonRiverMe- ♂ (0 bytes) () 03/24/2016 postreply 16:19:35