That depends on how, when and where it is squealing. For example, if the brakes squeal when applied, the brake pads are probably worn down. A squeal from the engine compartment whenever the engine is running could be a loose serpentine belt (especially if the squeal changes a little when you rev the engine).
The best way to fix the engine light in your Land Cruiser is to fix the problem. There are many reasons your check engine light could be on including a loose gas cap and problems with your engine.
Did you ever have a coolant leak?
In a Fix ended in 2005.
That's usually an indication that the fan motor bearing is worn and/or dry.
A Big Fix was created in 2005.
Fix You was created on 2005-09-05.
P1776, solenoid switch valve latched in low/reverse position. The usual cause is dirt in the transmission valve body.
fix for p0123 gmc envoy
This problem sounds like a loose or worn alternator belt. The belt needs to be tightened or replaced and this should fix it.
The Tyra Banks Show - 2005 Fix It or Flaunt It was released on: USA: 7 October 2005
You have to fix the problem that caused the trouble codes that put it in limp mode.
The Fix - EP - was created on 2005-10-11.