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Home >> Chevrolet >> 1997 >> C3500 HD 7.4 J, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - Specifications - 6.5L Diesel) >> Fuel System >> Idle Speed

Idle Speed

WARNING: This page is about a different variant/trim than selected.

Idle speed is not adjustable. PCM controls all fuel delivery/modes based on inputs from AAP, ECT and BARO sensors. System is equipped with an electronic fuel injection pump.

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