The vehicle’s on-board diagnostic system reports a failure or problem with an emissions related component or sensor. If there is a problem, the “Check Engine” or “Service Engine Soon” light may be on. If the light is on when you come in for inspection, the vehicle will fail the test.
Can you pass emissions with service engine soon light on?
Answer: Yes, you are correct: Your car cannot pass the emissions test when the Check Engine light is on. In fact, it’s likely they’ll just turn you away. … This test drive is necessary because once we reset the Service Engine Soon light, all of your computerized emissions monitors are reset as well.
How do I turn off the service engine soon light?
The only way to keep the light off is to repair the problem that turned the light on before attempting to turn it off.
- Turn the ignition switch to the on position but do not start the car. …
- Count seven seconds, depress the gas pedal and hold it down for 10 seconds or until the service engine soon light begins flashing.
Is the service engine soon light bad?
The purpose of the “service engine soon” light is to warn the operator that sensors in the vehicle have detected a malfunction. When we first see this little light on our dash we get a little worried at the potential cost of the repair. … The “service engine soon” light could just indicate a faulty gas cap.
Is service engine soon and check engine the same?
The “Check Engine” light is a notification that something is wrong, the range can be anything from a loose gas cap to a faulty ignition coil. … The “Service Engine Soon” light indicates that your vehicle is due for its next service maintenance.
Can service engine soon mean oil change?
A Service Engine Soon light will appear when your cars onboard diagnostic system (the ECM) detects a potential problem. Its purpose is to alert you of any minor issues before they become major concerns. Common causes include needing an oil change, or a new cabin filter or air filter.
How do I fix my service engine soon?
Simply turn off the engine, remove the fuel cap, and tighten it back up again. Maybe you just forgot to have it screwed around the whole way through the last time you filled up your car. Now, start the engine, and see if the Service Engine Soon light goes away.
Why is service engine soon light on?
The Check Engine/Service Engine Soon light comes on when there is an emissions, ignition, fuel system or transmission related failure. This light does not mean that you just need routine maintenance. … If the light is on solid, you’ll want to bring your vehicle in as soon as possible.
Can AutoZone check service engine soon?
Does AutoZone Scan Check Engine Lights? AutoZone does. If your light is on, and you are wondering why, head down to your local AutoZone where one of our store associates can help diagnose the issue through our free Fix Finder service.
How long does it take for service engine soon light to go off?
Here’s something you probably don’t know: after clearing the car’s computer you will need to drive for about 50 to 100 miles. As you drive your car the computer will monitor all the sensors and register the results.
Can low coolant cause service engine soon light?
The PCM and Low Coolant
Low coolant in the radiator of your car can trigger the malfunction illumination light (MIL), also known as the “check engine” light. Low coolant can affect the internal temperature of the engine, which is protected by the antifreeze.