6 Reasons a Check Engine Light Will Turn On

 

If your check engine light illuminates, it doesn't automatically mean that you're on the cusp of catastrophe. After all, something as minor as a loose gas cap can trigger the light. Nonetheless, when the light comes on, you'll want to be proactive about getting to the shop so that any developing problems can be nipped in the bud before becoming increasingly expensive to repair. Here's a look at six common reasons the check engine light turns on.

Failing Mass Airflow Sensor

Your mass airflow sensor keeps tabs on how much air is coming in and then determines how much fuel it should be injected with. If this is what's triggering your check engine light, you'll be happy to know that it's typically a budget-friendly fix.

Faulty Catalytic Convertor

On the other hand, this is a more expensive issue. Nonetheless, it'll need to be addressed because of the important job of the catalytic convertor, which to turn carbon monoxide into a less harmful emission.

Failing Ignition Coil

The ignition coil plays a critical role in creating the spark that your engine needs to come roaring to life. Sometimes, ignition coils will fail as a result of extreme weather conditions.

Faulty Oxygen Sensor

This is what monitors the amount of unburned oxygen in your exhaust system. Trouble with the oxygen sensor can lead to reduced gas mileage, as well as problems with the catalytic convertor.

Bad Battery or Charging System

If a battery is failing, it could result in low voltage at the computer, which could consequently trigger the check engine light.

Poorly-Fitting Gas Cap

When a gas cap is loose or ill-fitting, fuel can evaporate before you even get the chance to put it to use, which can actually trigger the check engine light.

If you're in need of check engine light diagnostics or repair, be sure to get in touch with a reputable mechanic. For auto repair in Airway Heights, Cheney, and Spokane, WA, the experts to contact are at Inland Sales & Service at 509-202-4025. Feel free to give Inland Sales & Service a call today to schedule an appointment for any of your repair or maintenance needs!


Reid's Blog

Written By Brian Corey

Published By MORBiZ



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