Quick Answer: Can You Pass Smog With Check Engine Light On??

During your drive, maybe even as soon as you start the engine, your vehicle realizes an emissions fault, and turns on the Check Engine or Service Engine Soon light.

No check engine light, but no chance of passing the emissions test either.

However, you will not know this until your vehicle is smog tested.

What does CA smog test consist of?

The smog check test consists of Emissions Inspection, Visual Inspection and Functional Inspection–all of which ensure your emissions equipment is in place, functioning, and doing its job of weeding out pollutants from your car’s exhaust.

How do you know if your car will pass smog?

Here are the top tips from our experts to prepare your car for a smog check:

  • Clear that “Check Engine” light.
  • Drive the car at highway speeds for the two weeks prior to the smog test.
  • Change the oil, but only if it needs it.
  • Do a tune-up two weeks before the smog test.
  • 5. Make sure the tires are properly inflated.

What happens if you fail a smog test?

After You Fail the Emissions Test. If your vehicle fails to pass, the DMV will not register your vehicle, meaning you can’t get a license plate to legally drive the car.

Does check engine light automatically fail emissions test?

If the ”Check Engine” light is illuminated on a 1996 or newer model year vehicle, the vehicle will fail the emissions inspection. An emissions-related problem has been detected by the vehicle’s on-board diagnostic (OBD) computer and it must be repaired before the vehicle will pass the emissions inspection.

Will car pass smog with airbag light on in California?

Answer: A vehicle’s air bag system is not tested during the smog check, and will not effect smog check results unless the fault causing the air bag light to illuminate is some how emissions related. Answer: It sounds like it is in fact the Check Engine light, and will cause a smog check failure.

Photo in the article by “Wikipedia” https://en.wikipedia.org/wiki/Nissan_Sentra