Chevrolet Low Cab Forward 6.0L Gasoline Engine 3500/4500 Series (GMNA-
Localizing-U.S.-12533400) - 2019 - CRC - 11/19/18
Driving and Operating
145
Symptom
Cause
Corrective Action
Reference
Engine does not
start
Starter does not
turn over, or weak
Discharged batteries
Recharge or replace
See
Battery terminals
detached, loose,
or corroded
After repairing corroded
section, connect the
terminals firmly
-
Starter ground wire
terminal detached,
loose, or corroded
After repairing corroded
section, connect the
terminals firmly
-
Engine oil viscosity
too high
Change to an oil with
proper viscosity
See
Starter or electrical
system is faulty
4
-
Engine does not
start
Starter turns over
No fuel
Make sure there are no
fuel leaks, and then
add fuel
-
Fuel pump clogged
4
-
Pressure regulator is
faulty
4
-
Ignition system is faulty
4
-
Engine control (electrical
system) is faulty
4
-