Wednesday, February 1, 2012

Can a worn serpentine belt in a 2005 Toyota Corolla cause the CEL to come on?

My serpentine belt has needed replacing for awhile, but the check engine light just came on today. Is it possible that the light is caused by the belt finally being on its last legs?Can a worn serpentine belt in a 2005 Toyota Corolla cause the CEL to come on?Yes.

WARNING TO TOYOTA DRIVERS

If your car decides to accelerate on it's own, do NOT apply the brakes, you will burn them out.

Instead, shift into neutral, disengaging the engine. THEN apply the brakes. After, SHUT THE CAR OFF.



DO NOT shut the car off while driving, you will disable your vacuum assisted breaks and make the car harder to stop.Can a worn serpentine belt in a 2005 Toyota Corolla cause the CEL to come on?I was going to answer No - the MIL light is to report that a monitored part of the engine, emission control system, or transmission is defective. However, our 2002 Toyota Prius cars have a code for the compressor not running at the same speed as the engine, indicating compressor clutch or belt slippage, so I have to say "maybe."Can a worn serpentine belt in a 2005 Toyota Corolla cause the CEL to come on?It's unlikely. There really isn't a sensor to tell when the belt is bad. When the belt gets bad enough, it breaks, and often breaks other stuff on the way. I'd replace the belt, it's not that difficult, and not that expensive and beats sitting by the side of the road waiting on a tow truck.Can a worn serpentine belt in a 2005 Toyota Corolla cause the CEL to come on?
the belt cannot cause the MIL to come on.

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