Check Engine Light: Common Triggers

Check Engine Light: Common TriggersWhen a check engine light comes on, you don't necessarily need to assume that an automotive disaster is just around the corner. After all, something as trivial as a loose gas cap could trigger the light. Nonetheless, if the light illuminates, it's always best to be proactive about getting to the shop for diagnostics so that you don't risk the repairs being more expensive than should've been necessary. Here's a look at six common reasons a check engine light turns on.

Faulty Ignition Coil

This plays a crucial role in creating the spark required for you engine to fire up. Sometimes, extreme weather will cause ignition coils to fail.

Bad Battery or Charging System

When a battery is failing, low voltage at the computer can result, which can in turn trigger the check engine light.

Failing Mass Air Flow Sensor

The mass air flow sensor keeps tabs on incoming air and calculates how much fuel should be injected with it. If this is triggering your light, you'll be fortunate in that this won't cost too much to address.

Faulty Catalytic Converter

This, on the other hand, can be a more expensive issue. Still, it'll need to be done promptly because of the important job of the catalytic converter, which is to to turn carbon monoxide into a less harmful emission.

Failing Oxygen Sensor

Oxygen sensors monitor the amount of unburned oxygen in your exhaust system. Trouble with the oxygen sensor can consequently lead to a reduction in gas mileage, as well as problems with the catalytic converter.

Poorly-Fitting Gas Cap

A loose or ill-fitting gas cap can lead to gas evaporating before you get the opportunity to put it to use---and can actually cause the light to come on.

If you're in need of auto repair, be sure to visit a reputable mechanic. For check engine light diagnostics and engine repair in Stevens Point East, WI, the experts to contact are at Auto Select at (715) 341-1600. Feel free to give Auto Select a call today to schedule an appointment for any of your repair or maintenance needs!

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Written and Published By MORBiZ