Program Information

If you live in the San Joaquin Valley and suspect your vehicle may have smog or emissions issues, or if your vehicle failed an emissions test, you may qualify for a $500 voucher redeemable at a local STAR-certified smog shop. 

This voucher can be used for: 

  • Diagnostics
  • Smog testing
  • Repair work
  • Smog certification 

Choose Your Smog Repair Option

We offer three easy ways to get free smog repair assistance. Choose the one that works best for you.

In-Person Event

  • Attend a local Tune In & Tune Up event.
  • Bring your vehicle for a free emissions test. 
  • If it fails, you’ll receive a $500 voucher redeemable at a local STAR-certified smog shop for diagnostics, repairs, and certification.

See Upcoming Tune In & Tune Up Events 

Remote Option

  • Call us to schedule a free emissions test at a STAR-certified shop near you. 
  • If your vehicle fails, you’ll get a $500 voucher for smog repairs. 
  • If your vehicle passes, you’ll receive a free smog certificate.

Call: 707-866-3004
Staff are available Monday – Saturday, 7:00 AM – 8:00 PM.

Apply Online

  • Apply online by answering a few quick questions.
  • Enter your information and upload your identification and registration.
  • One of our customer service representatives will review your eligibility.
  • If approved, you will receive a smog voucher for a free $500 emission test and repairs.