2007 Honda Element LX, 2.4 YH1, AutomaticFACTORY OEM SERVICE PROCEDURE

VTEC System

  • The VTEC system changes the cam profile to correspond to the engine speed. It maximizes torque at low engine speed and output at high engine speed.
  • The low lift cam is used at low engine speeds, and the high lift cam is used at high engine speeds.
    Fig 1: Identifying VTEC System Waveform Graph
    G05448883Courtesy of AMERICAN HONDA MOTOR CO., INC.
Factory Service Tools

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When to See a Mechanic

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

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

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