RAM 2500 Truck 4WD L6-5.9L DSL Turbo VIN 6 (1999)
Idle Speed: Specifications
Diesel Idle Plate
ENGINE DATA PLATE
The engine data plate contains:
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Advertised horsepower
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Cubic inch/liter of engine
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Engine model number
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Fuel rate at advertised horsepower
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Idle speed specification
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Injection pump CPL number
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Injection pump timing (in degrees)
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Injector firing order
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Valve lash specification
Engine Data Plate Location
If anything differs between the specifications found on the engine data plate and the specifications used in any service procedure, use specifications on
data plate. The engine data plate is permanently riveted to the side of the engine timing gear cover located on the drivers side of engine.