Chevrolet Low Cab Forward 2023 Manual page 125

124 Driving and Operating
Symptom
Engine starts, but immediately stops
Unsteady engine speed
White exhaust smoke
Cause
Idling speed too low
Fuel filter is clogged
Air cleaner is clogged
There is water or air in the
fuel system
Fuel system is faulty
Engine not sufficiently
warming up
Too much engine oil
Engine Control system faulty
Fuel system faulty
Continuous idling for a long
period (more than two hours)
Corrective Action
Drain water from fuel filter or
bleed the system
Allow the engine to warm up
Correct the oil level
With the vehicle stationary in
a place where it will not
obstruct traffic, hold down the
accelerator pedal and check
that white smoke is not
emitted
Reference
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See Running Out of
Fuel 0 185 or
Water in Fuel 0 183
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See Engine Oil 0 197
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