What issues trigger the check engine light?
The illumination of the check engine light doesn't automatically mean that your vehicle is on the verge of disaster. Nevertheless, it's important to get to the shop for diagnostics so that you can nip any issues in the bud before they worsen and necessitate expensive repairs. Here's a look at six common reasons that a check engine light turns on.
Bad Battery/Charging System
When a battery is failing, it can cause low voltage at the computer, which can consequently cause the check engine light to come on.
Failing Mass Air Flow Sensor
Air flow sensors keep tabs on incoming air and then determine home much fuel should be injected with it. Fortunately, if this is your problem, it shouldn't be too expensive to remedy.
Faulty Catalytic Converter
On the other hand, if your catalytic converter fails, it could be rather expensive to address. Still, you'll need to make sure you're driving with a properly functioning catalytic converter because of its important job, which is to turn carbon monoxide into an emission that isn't as damaging to the environment.
Failing Oxygen Sensor
Oxygen sensors monitor how much unburned oxygen is in the exhaust system. Trouble with an oxygen sensor can lead to a drop in gas mileage, as well as problems with the catalytic converter.
Faulty Ignition Coil
Ignition coils are pivotal in generating the spark that's necessary for your engine to fire up on all cylinders. Sometimes, ignitions coils will fail because of extreme weather conditions.
Loose/Missing Gas Cap
While this might seem like a trivial issue, it can trigger a check engine light. A loose or missing gas cap can result in gas evaporating before you get the chance to use it.
If you need check engine light diagnostics and repair, be sure to visit a reputable auto shop. For check engine light diagnostics and repair in Austin, TX, contact the experts at Precision Tune Auto Care at (512) 580-4826. Feel free to give Precision Tune Auto Care a call today to schedule an appointment for any of your repair or maintenance needs!
Precision Tune Auto Care Blog
Posted: June 05, 2020
Written and Published By MORBiZ
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