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Car runs great and shifts right until I drive it on longer trips. When I have driven about 40 miles it will drop out of overdrive and go into 3rd gear, it seems to shift fine after that but will not shift up into overdrive. If I shut it off and restart it then everything is fine and it shifts up into overdrive just fine again! Any ideas?
Mine does the same thing, I am tracking it down to a loose broken wire on the transmission plug in, I also found that a good proper tune up will greatly help also.Mine does the same thing, I am tracking it down to a loose broken wire on the transmission plug in, I also found that a good proper tune up will greatly help also.
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JustAnswerhttps://www.justanswer.com > lexus > 3wsxt-lexus-rx3...
Aug 22, 2010 - Recently the transmission won't go into overdrive. Stays in 3rd gear like when you press the o/d button to do so. When car is cold (live in ...
1 answer · Top answer: Hello and thank you for using just answer! The check engine light is on correct?
it may be a bad transmission modulator valve located on the side of your transmission,vacum operated. a sudden downshift or forward shift when unexpected is sign of a bad modulator valve or a vacum leak to the transmission.best to shop around for a garage w/references when it comes to transmission work though. check all the vacum lines to your transmision,you need to look on the underneath side of your truck on the side of transmission for a loose or disconnected vacum line on the side of the transmission. when you feel the vacum line,follow it to the top of engine,the vacum line is about 3/8th line,and may be disconnected or losing air. to make this short,when you drive the car,start out in low gear and shift the transmission,manually from 1st to 2nd to 3rd does it do right with no slipping? if it does this right and shifts great manually,the modulator valve on the side of the transmissions bad,or a bad vacum leak in-between.thank you for choosing fixya.com
Not sure on yours but on my vehicle, it doesn't shift up until engine reaches a certain temerature, and right now in the winter weather it takes a little longer. On mine it's normal.
Mine does the same thing, I am tracking it down to a loose broken wire on the transmission plug in, I also found that a good proper tune up will greatly help also.
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