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automatic transmission is in Park (P)
•
vehicle speed is zero
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Applying the throttle will cancel fast idle
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If the engine is equipped with an aftermarket exhaust
brake (manual transmissions only), operating the ex-
haust brake at idle will greatly improve warm up rate
and will help keep the engine close to operating
temperature during extended idle.
Stopping The Engine
Idle the engine a few minutes before routine shutdown.
After full load operation, idle the engine 3 to 5 minutes
before shutting it down. This idle period will allow the
lubricating oil and coolant to carry excess heat away from
the combustion chamber, bearings, internal components,
and turbocharger. This is especially important for turbo-
charged, charge air cooled engines, like your Turbo Ram.
Driving
Condition
Load
Turbo-
charger
Temperature
Idle Time
(min.) Be-
fore Engine
Shutdown
Stop and
Go
Empty Cool Less than
One
Stop and
Go
Medium One
Highway
Speeds
Medium Warm Two
City Traffic Maximum
GCWR
Three
Highway
Speeds
Maximum
GCWR
Four
Uphill
Grade
Maximum
GCWR
Hot Five
STARTING AND OPERATING 215
5