How Do I Make My Car Not Pass Smog?

Can you clear codes to pass emissions?

To pass an OBD-II emissions test, a vehicle must: If you clear the ‘Check Engine’ light, or reset the OBD-II monitors right before your emissions test, your vehicle typically will not pass because the catalyst and EVAP monitors need time to run.

If it’s not in a “ready” state, your vehicle will automatically fail..

How do you cheat on a smog emissions test?

6 Proven Methods for Passing an Emissions (Smog) Test:Test a very warm car on a cool day. … Use a specialized fuel additive. … Inflate tires to the proper (high) level. … Perform an oil change. … Turn off your “Check Engine” light (if needed). … Find a shop that offers a free retest.

What causes a car to fail a smog test?

Dirty air filter: If you haven’t replaced your car’s air filter in a while, it could be the cause of your smog test failure. Thankfully, it’s also an easy fix. Leaking gas cap: Another easy fix, a gas tank cap that’s cracked, worn or improperly sealing could lead to an increase of emissions.

How do I bypass smog in California?

If your vehicle is temporarily located out of state and the California Department of Motor Vehicles has required it undergo a smog check inspection for registration renewal, you may file a REG 5103 (Application for Temporary Smog Exemption for a Vehicle Located Out of State) in order to bypass or skip the smog check …

How much does an illegal smog cost?

For the consumer – A civil penalty of at least $150, but no more than $1,000, may be assessed to anyone who attempts to fraudulently obtain a smog check or inspection. This also applies to anyone who attempts to fraudulently obtain a vehicle repair or hardship waiver, or CAP assistance.