Shifting to third gear the engine just revs without shifting?

2013 TOYOTA COROLLA

124,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC

GKING

MEMBER
1 POST

Good day all, please i need help if anyone has experience similar issue i drive the car listed above and i recently notice my car will move smoothly on gear 1 and 2 but when it get to changing to gear 3 it just rev without shifting to 3. i took the car to gear mechanic and he scan it and said the gearbox back cover need to be change that those seals on the back cover has won out. I changed the back cover and the gear started working and change normally but still rev on change to 3 and also slipped
Please help auto guru in the house.

Mar 31, 2024 at 5:57 AM

STRAILER

✓Experienced Mechanic
55,628 POSTS

With the scan can you tell me which codes they are, here is a guide to help:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

I have seen a bad turbine revolution sensor cause problems like this, here is the location of the sensor so you can swap it out if a code is stored for it. Check out the images (below). Please upload pictures or videos in your response to the problem so we can see what's going on.

Image (Click to enlarge)