Dear Experts,
I'm hoping to find someone who might have heard of this problem/symptom, and know the solution.
I have a 99 Lexus ES300 Coach Edition, with about 86K miles now. Automatic transmission. Very similar to a Camry XLE V6. Bought used last year.
This past week, it wouldn't start without a boost. So today, I changed the battery. And installed a powerful 800 cold cranking amp battery. The old battery had a bad cell.
But even before I did this, I noticed that the transmission wasn't engaging the way it normally did. On the way to the battery shop, the engine started. I put my foot on the brake and put the car in gear. But the familiar push from the idle was not there. I had to rev the engine before it moved.
And tonight, when I was driving home, I had to rev the engine to about 5 or 6 thousand RPM before it accelerated.
And soon when I was driving down the highway, any more gas (RPM) would not make the car go any faster. I was just coasting, and coasted over to the side of the road. After that, it would not go forward or backward. Even if the engine was running at a few thousand RPM.
So, the symptom is that the engine seems to run fine. Up to 6K rpm fine. But when you put the car in gear, it won't go at all. But there are no new lights illuminating the dashboard, such as the check engine light. There doesn't seem to be any strange mechanical sound.
Only 86K miles! My Camry went to 180K and the transmission worked fine.
Does anyone know what would be the cause and/or solution would be? I'm hoping that it will be something simple like an electrical issue. Perhaps the NOX sensor?
Thanks a lot!