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Home >> Honda >> 2021 >> Passport Elite >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Mechanical / Engine Control System - Service, Testing And Troubleshooting >> Check >> Throttle Body Carbon Accumulation Check >> Test
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Throttle Body Carbon Accumulation Check: Test

  1. HDS - Connect 
  2. Throttle Body - 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 REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 deg. If it is not, clean the throttle body 

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