2003 CHEVROLET C/K spark plugs

[x] Cancel search: spark plugs

Page 258 of 386

CHEVROLET C/K 2003  Owners Manual 6-4
Fuel (Gasoline Engine)
If your vehicle has a diesel engine, see ªDiesel Engine
Fuelº in this section. For vehicles with gasoline engines,
please read this.
Gasoline Octane
Use regular unleaded g

Page 365 of 386

CHEVROLET C/K 2003  Owners Manual 7-19
(26) = Evaporative Control System Service 
(if equipped): Check all fuel and vapor lines and hoses
for proper connections and correct routing (or every
24 months, whichever occurs first). Replace