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Home >> Honda >> 2017 >> Odyssey SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Engine Control System / Engine Mechanical - Service, Testing And Troubleshooting) >> Test >> Tailpipe Emissions Test >> Test
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Tailpipe Emissions Test: Test

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. HDS - Connect 
  2. Tailpipe Emissions - Test
    1. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.

    2. Check the idle speed within specification 

    3. Warm up and calibrate the CO meter according to the meter manufacturer's instructions.

    4. Check idle CO with the headlights, heater blower, rear window defogger, cooling fan, and air conditioner off.

    Specified CO: 0.1 % max. 

    • If unable to obtain this reading; see DTC troubleshooting .
    • If unable to obtain a CO reading of specified % by this procedure, check the tune-up condition.
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