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Home >> GMC >> 1997 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications - 6.5L Diesel >> Fuel System >> Idle Speed
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Idle Speed

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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