Check Engine Light Turned On After Smog Check

There can be a million and one reasons for that little orange check engine light to illuminate.

Check engine light turned on after smog check.

The orange check engine light is a car s way of telling you something is wrong. The technician will first validate that the mil is illuminated in the key on engine off position and then start the engine. Step 9 on older engine s an egr valve is used to lower the production of nox gases which are harmful to humans if this valve stops functioning a smog test will fail. After investigating with the obd reader i found out it was an evap leak which seems to have been fixed by a new gas cap old car.

Fortunately many car repair shops and even some auto parts stores now offer free check engine light checks with equipment that interprets the specific malfunction code. West coast tire service can diagnose and repair any exhaust system issue that might cause your check engine light to turn on. It should never be ignored. In california if the check engine light is on your car will not pass the smog check.

We d like consumers to comprehend that by turning off the check engine or service engine soon light that all emissions data from your automobile s engine control module ecm will likely be deleted. A service engine light is usually illuminated because of a sensor failure or a sensor reading that is out of specification. The smog check is one of those iffy factors that drives car owners nuts. You may have already reviewed details explaining the best ways to shut off the check engine light or service engine light prior to a smog check.

Resolved click to view hey my car is due for a smog test within 5 days. If your mechanic tells you something needs to be repaired get it repaired before the smog test or the light will turn back on. Generally the check engine light illuminates when your vehicle is experiencing an emissions problem and this is the primary reason why it won t pass a smog check with the light on. However i ve been told that if your check engine light has been on in the last 2 weeks.

Make sure the battery hasn t been. When a smog test is due its best to take the vehicle to the smog station after its been driven for a time to effectively warm the engine and exhaust system. If you need smog repairs to pass your smog test west coast tire is ready to help. The check engine light is now off.

That s because the 2017 bar smog check manual states that checking the malfunction indicator light mil is a standard part of the functional test. Before you test your car bring it in to your local auto repair shop for a diagnosis and any necessary repairs. Whether there is a legitimate issue or not your onboard computer has detected a fault and it will return that fault until it is fixed or the computer is reset. My smog guy hooked up the code reader which indicated an emission leak fortunately it was just a loose gas cap after it was reset at no charge i drove it about 80 miles.

Returned the next day and the check engine light did not turn back on i passed my smog check and my smog guy charged me 40 00 total for smog check and certificate.