Why does engine check light come on if switching from 4whi to 4wlo when moving?

Why does engine check light come on if switching from 4whi to 4wlo when moving? 1 Answer

Check engine light does NOT come on 1 Answer

I need to get an emissions test, but the testers won't pass me unless the check engine light comes on when the truck is started. Checked the fuse, unhooked battery, etc. but the light never comes on a...

My local Toyota dealer, when they change the oil, sets the engine light to come on at 3,000 miles, even with synthetic oil. I don't' understand why & asked them stop. They continue to do it. Why? 1 Answer

I feel it is my truck. And they are taking advantage of me to increase their business.

What does it mean when the check engine light, trac control, and 4LO come on 25 Answers

Yesterday the check engine light and trac control light came on. Also the 4LO light came on and is blinking. I turned off the car and restarted it but it was still there. After leaving the truck tur...

Vcs light on check engine light on 2 Answers

My vcs light comes on after I reset abd I lose power. What should I do?