State Emission Standards - Gas: TEXAS

1982 Porsche 928 Automatic TransSECTION TEXAS
NOTE: The Texas program incorporates original U.S. EPA recommended start-up ASM2525 and ASM5015 standards for 1995 and newer model year vehicles. Refer to appropriate model year range in appropriate table. See U. S. EPA ASM2525 & ASM5015 START-UP EMISSION STANDARDS .
TEXAS EMISSION STANDARDS - 2-SPEED IDLE TEST

Application HC ppm (CO %)
Light Duty Vehicles (8500 GVWR Or Less)
1979 600 (6.0)
1980 400 (4.0)
1981 & Newer 220 (1.2)
Heavy Duty Vehicles (8501 GVWR Or More)
1979-81 700 (7.0)
1982-84 500 (5.0)
1985 & Newer 300 (3.0)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.