check engine CHEVROLET EXPRESS CARGO VAN 2016 1.G CNG Manual

Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/18/15
Instruments and Controls 3
Instruments and
Controls
Warning Lights, Gauges, and
Indicators
Fuel Gauge . . . . . . . . . . . . . . . . . . . . . 3
Malfunction Indicator Lamp(Check Engine Light) . . . . . . . . . . 3
Warning Lights,
Gauges, and
Indicators
Fuel Gauge
When the ignition is on, the fuel
gauge indicates about how much
fuel is left in the vehicle fuel tank.
An arrow on the fuel gauge
indicates the side of the vehicle the
fuel door is on. The fuel gauge has been calibrated
to display full at approximately
24 800 kPa (3,600 psig) and empty
at approximately 2 758 kPa
(400 psig).
When the low fuel warning indicator
flashes, fill the tank as soon as
possible.
Compressed Natural Gas (CNG)
fuel gauge readings are affected by
changes in fuel temperature and
fuel pressure.
See
Filling the Tank 07.
Malfunction Indicator
Lamp (Check Engine
Light)

Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/18/15
4 Instruments and Controls
This vehicle has been specifically
designed to illuminate this indicator
when emissions exceed acceptable
levels while operating on natural
gas fuel.
The malfunction indicator lamp
comes on to indicate that there is a
problem and service is required.
Malfunctions often will be indicated
by the system before any problem is
apparent. This system is also
designed to assist the service
technician in correctly diagnosing
any malfunction.
Caution
If the vehicle is continually driven
with this light on, the emission
controls might not work as well,
the vehicle fuel economy might
not be as good, and the engine
might not run as smoothly. This
could lead to costly repairs that
might not be covered by the
vehicle warranty.This light should come on, as a
check to show you it is working,
when the ignition is on and the
engine is not running.
See the owner manual for more
information.

Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/18/15
28 Index
IndexA
Accessories and Modifications . . . 14
Appearance CareExterior . . . . . . . . . . . . . . . . . . . . . . . . . 18
B
Battery - North America . . . . . . . . . . 17
C
California Proposition65 Warning . . . . . . . . . . . . . . . . . . . . . 17
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . 27
Check Malfunction Indicator EngineLight . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Cleaning Exterior Care . . . . . . . . . . . . . . . . . . . 18
Components Fuel System . . . . . . . . . . . . . . . . . . . . 15
D
DrivingVehicle Load Limits . . . . . . . . . . . . . . 5
E
EngineCheck and Service EngineSoon Light . . . . . . . . . . . . . . . . . . . . . 3
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . 5
F
Flat Tire Changing . . . . . . . . . . . . . . . . . . . . . . . 17
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Filling the Tank . . . . . . . . . . . . . . . . . . 7
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Fuel System Components . . . . . . . 15
Fuel System Leak . . . . . . . . . . . . . . . 10
G
Gauges Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
I
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . 17
L
LampsMalfunction Indicator . . . . . . . . . . . . 3
Leak Fuel System . . . . . . . . . . . . . . . . . . . . 10
M
Maintenance Schedule . . . . . . . . . . 19
Malfunction Indicator Lamp . . . . . . . 3