Check Engine Light Diagnosis

Causes of a Check Engine Light in Your Toyota

Fuel, emission, and ignition systems are the usual culprits of a lit-up check engine light, but those systems are made up of many, many parts that can all be causing the issue. Problem parts could include oxygen sensors, a loose gas cap, spark plug issues, airflow sensor problems, and many other issues that are tough to find with the naked eye. Our certified technicians will perform a thorough visual inspection of all the systems and parts that could potentially be the root of the cause, and will then run computerized tests to make sure that they’ve truly found the issue when they think they have. Doing so will let them check for obvious visual defects and other issues that may have occurred during the damage to your systems, and run tests to make sure that your vehicle is ready to go before returning it to you.

Certified Technicians and Genuine OEM Parts For All Check Engine Light Diagnoses

Another risk of attempting to resolve the issue yourself or trusting an uncertified technician is that they may not have access to the genuine OEM parts your Toyota needs to achieve peak performance. Discount, aftermarket parts may not fit your vehicle adequately, and you may find yourself soon purchasing another replacement part if the discount parts your local mechanic gives to you do not fit. Genuine OEM parts are included for every service at Sierra Toyota, so you’ll know that after your check engine light issue has been resolved, your vehicle has the right parts to keep your tire turning for thousands of miles ahead.