Intake Air Temperature (IAT)

1999 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Intake Air Temperature (IAT)
Range (-40 to 151°C -40 to 303°F)
The VCM converts the signal voltage of the Intake Air Temperature (IAT) sensor into degrees. The VCM uses the intake air temperature in order to adjust fuel delivery and spark timing according to the incoming air temperature.

(0-5 Volts)
The VCM monitors the intake Air Temperature (IAT) sensor for voltage changes. This parameter displays the raw voltage signal detected by the VCM. The VCM uses the intake air temperature in order to adjust fuel delivery and spark timing according to the incoming air temperature.
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.