TEN QUICK TIPS TO PASS A “STAR CERTIFIED” SMOG CHECK EVERY TIME

  • 1976-1999  CHANGE MOTOR OIL IF DIRTY
  • 1976-1999  CHANGE ENGINE AIR FILTER IF DIRTY. IT MAY RESTRICT AIRFLOW CREATING A “RICH” FUEL-AIR MIXTURE
  • 1976-1999  CHANGE FUEL FILTER AT MANUFACTURER’S SERVICE INTERVAL. IT MAY RESTRICT FUEL FLOW POSSIBLY CREATING A “LEAN” FUEL-AIR MIXTURE “MISFIRE” 
  • 1976-1999  CHANGE SPARK PLUGS IF WORN. WORN PLUGS “MISFIRE”
  • 1976-1999  GET TESTED WHEN IT’S RAINING. EMISSIONS MAY DECREASE IN HUMID CONDITIONS AND DRYING THE TIRES ON THE MACHINE MAY GIVE AN OLDER, HIGHER MILEAGE VEHICLE ENOUGH OF AN ADVANTAGE THAT IT WILL PASS!
  • 1976-CURRENT  AVOID INSTALLING ILLEGAL MODIFICATIONS
  • 1976-1999  RUN PREMIUM GAS IN THE TANK, JUST ENOUGH FOR THE TEST, BECAUSE PREMIUM GASOLINE, GENERALLY LOWERS THE EMISSION READINGS
  • 1976-1999  AVOID TESTING ON HOT DAYS. NOX READING WILL INCREASE. (SEE GET TESTED WHEN IT’S RAINING, ABOVE)
  • 1976-1999  OPERATE VEHICLE FOR AT LEAST 20 MINUTES PRIOR TO TESTING AND REMAIN AT IDLE PRIOR TO ACTUAL INSPECTION
  • 2000-CURRENT  REPAIR ANY FAULTS CAUSING A “CHECK ENGINE” LIGHT UNLESS YOU WISH TO PARTICIPATE IN THE C.A.P. PROGRAM
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