What causes a car not to shift gears?

One main reason why the automatic transmission in your car may not be shifting smoothly is the ECM is going bad. It is best to get this checked out by an experienced auto mechanic technician who understands the electrical system. Other indicators include bad connections within, or worn out sensors and faulty solenoids.

Why is my Acura TL not shifting properly?

I own a 2003 Acura Tl. My transmission is not shifting properly unless I baby the engine. The problems gets worse as the car heats up and gets hot. The main problem comes in when shifting from 1st gear to 2nd gear and from 2nd to 3rd as well.

Are there any problems with the Acura TL Transmission solenoids?

Car did not catch gear but nuetralized until I switched to sport shift mode and displayed 4 gear and the vehicle jetted off. Cel has remained on and 3rd gear still a issue. Did much maintenance, replacement of solenoids,fluid flush, etc. Problem solves then returns.

What are the problems with the Acura transmission?

Typical problems include flaring, slipping, or no shifting to third gear at all. Check engine light (CEL / MIL) and gear D5 may also be flashing. To fix this problem, you will need to overhaul the transmission and replace the 3rd gear clutch. A defective valve body can also cause similar symptoms.

When does the vibration start on an Acura TL?

Vibration leading to a shudder in the front end of a 2004 Acura Tl. Vibration starts at 1500 rpm up through 2000 rpm at 45 mph through 60 mph. Vibration and shudder is intermittent in nature and can be quite severe causing you to slow down. Car has been back to the dealer 3 times since I purchased it in October 2004.

What to do if your Honda TL has 3rd gear problem?

Some 04-07 TLs have these symptoms because of faulty 3rd gear sychronizer or 3-4 shift sleeves. The fix is to replace the 3rd gear set and Honda District Parts and Service Managers or your Zone Office consider whether you are eligible for “goodwill” after your warranty has expired.