2014 HONDA CIVIC COUPE fuel pressure
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Introduction
Your vehicle runs on compressed natural gas (CNG), a highly
pressurized version of the same clean-burning natural gas used in
many homes and businesses.
Your vehicle operates and performs like a gasoline-powered
vehicle. However, there are a few differences you should be aware
of. In addition to reading your vehicle’s owner’s manual, please
read this supplement carefully to understand the operation and
unique features of your vehicle.
You will find important safety information in this supplement and
in the owner’s manual. This information alerts you to potential
hazards that could hurt you or others. Please read it carefully.
CNG (Compressed Natural Gas), Your Vehicle’s
Fuel
The main component of CNG (Compressed Natural Gas) is
methane. It is a highly flammable colorless gas that is used in
home appliances such as kitchen stoves and water heaters.
The CNG in your vehicle is stored under high pressure. The system
is designed to hold gas at the maximum of 3,600 psi/24,800 kPa,
and you should never smell gas or hear a hissing sound unless you
are refueling. If you smell gas or hear a hissing sound at any other
time, shut down the CNG system immediately.
If a Fuel Leak is Detected P.37
Safety Standards of the Fuel Tank
Your vehicle’s fuel tank meets the safety standards of NGV- 2/
NFPA-52/DOT NHTSA FMVSS 304.
22014 Civic CNG Online Reference Owner's Manual
Page 5 of 46
Safety Labels
4
Safe Driving
CNG Label Locations
These labels are in the locations shown. They give instructions and warnings on the CNG fuel system.
If a label comes off or becomes hard to read, contact a dealer for a replacement.
7 + , 6 & 2 1 7 $ , 1 ( 5 6 + 2 8 / '
% ( 9 , 6 8 $ / / < , 1 6 3 ( & 7 ( '
$ ) 7 ( 5 $ 0 2 7 2 5 9 ( + , & / (
$ & & , ' ( 1 7 2 5 ) , 5 (
$ 1 ' $ 7 / ( $ 6 7 ( 9 ( 5 <
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0 , / ( 6 : + , & + ( 9 ( 5 & 2 0 ( 6
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$ 1 ' ' ( 7 ( 5 , 2 5 $ 7 , 2 1
3 6 , * e )
$ / 7
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, 1 6 7 $ / / $ 7 , 2 1 2 5 0 $ , 1 7 ( 1 $ 1 & ( 2 ) 7 + , 6 & 2 1 7 $ , 1 ( 5
& 2 1 7 $ & 7 6 7 5 8 & 7 8 5 $ / & 2 0 3 2 6 , 7 ( 6 , 1 ' 8 6 7 5 , ( 6
( 1 7 ( 5 3 5 , 6 ( 3 / 3 2 0 2 1 $ & $
7 ( /
6 ( 5 9 , & ( 3 5 ( 6 6 8 5 ( N 3 D 3 6 , *
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) 2 5 8 6 ( 2 1 / < : , 7 + 7 + ( & 2 1 7 $ , 1 ( 5 0 $ 1 8 ) $ & 7 8 5 ( 5
6
$ 3 3 5 2 9 ( ' 3 5 ( 6 6 8 5 ( 5 ( / , ( ) ' ( 9 , & ( 6 9 $ / 9 ( 6 & 1 * 2 1 / < ' 2 1 2 7 8 6 ( $ ) 7 ( 5 1 * 9 ) 8 ( / 7 $ 1 . 6
7 ( 6 7
' $ 7 ( 6 ( 5 9 7 ( 0 3
Structural Composites IndustriesA WORTHING TON CYLINDER COMPAN Y
7 K L V F \ O L Q G H U L V L Q W H Q G H G I R U X V H R Q W K L V Y H K L F O H W R V W R U H F R P S U H V V H G Q D W X U D O
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' R Q R W D W W H P S W W R U H P R Y H W K L V F \ O L Q G H U I U R P W K H Y H K L F O H R U W R V H U Y L F H Y H Q W R U
P D L Q W D L Q W K L V F \ O L Q G H U R U D Q \ D W W D F K H G S D U W V X Q O H V V \ R X D U H V S H F L I L F D O O \ W U D L Q H G
W R G R V R 7 K H F \ O L Q G H U P D \ F R Q W D L Q U H V L G X D O J D V Z K L F K S R V H V D I L U H R U H [ S O R V L R Q
U L V N , P S U R S H U Y H Q W L Q J S U R F H G X U H V Z L O O F D X V H D V W D W L F H O H F W U L F D O G L V F K D U J H Z K L F K
F R X O G L J Q L W H Y H Q W L Q J Q D V 5 H P R Y D O V H U Y L F L Q J Y H Q W L Q J Q D G G L V S R V D O V K R X L G R Q O \
E H G R Q H E \ D T X D O L I L H G W H F K Q L F L D Q
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Q R W S D U N W K H Y H K L F O H L Q D Q H Q F O R V H G D U H D V X F K D V D J D U D J H , P P H G L D W H O \
K D Y H W K H Y H K L F O H V H U Y L F H G E \ D T X D O L I L H G W H F K Q L F L D Q
, I W K L V Y H K L F O H L V L Q Y R O Y H G L Q D F R O O L V L R Q I L U H R U L I S K \ V L F D O G D P D J H L V R E V H U Y H G
R Q W K H F \ O L Q G H U R U L W V D W W D F K P H Q W V G R Q R W S D U N W K H Y H K L F O H L Q D Q H Q F O R V H G D U H D
V X F K D V D J D U D J H , P P H G L D W H O \ K D Y H W K H Y H K L F O H V H U Y L F H G E \ D T X D O L I L H G
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7 + , 6 & < / , 1 ' ( 5 0 8 6 7 % ( , 1 6 7 $ / / ( ' $ 1 ' 6 ( 5 9 , & ( ' % <
4 8 $ / , ) , ( ' 7 ( & + 1 , & , $ 1 6 , 1 $ & & 2 5 ' $ 1 & ( : , 7 +
1 $ 7 , 2 1 $ / ) , 5 ( 3 5 2 7 ( & 7 , 2 1 $ 6 6 2 & , $ 7 , 2 1 6 7 $ 1 ' $ 5 '
) 2 5 & 2 0 3 5 ( 6 6 ( ' 1 $ 7 8 5 $ / * $ 6 9 ( + , & 8 / $ 5 ) 8 ( / 6 < 6 7 ( 0 6
$ 1 ' $ / / $ 3 3 / , & $ % / ( ) ( ' ( 5 $ / 6 7 $ 7 ( $ 1 ' / 2 & $ /
5 ( * 8 / $ 7 , 2 1 6 7 ( 6 7 ( ' $ 1 ' $ 3 3 5 2 9 ( ' 9 $ / 9 ( $ 1 ' 6 $ ) ( 7 <
5 ( / , ( ) ' ( 9 , & ( 6 $ 5 ( 5 ( 4 8 , 5 ( '
6 H H R W K H U Z D U Q L Q J V S H U P D Q H Q W O \ D I I L [ H G W R W K L V Y H K L F O H
' R Q R W U H P R Y H R U S D L Q W R Y H U W K L V O D E H O
7 K L V F \ O L Q G H U P X V W E H L Q V S H F W H G E \ D T X D O L I L H G W H F K Q L F L D Q H Y H U \ W K U H H \ H D U V
7 + , 6 & < / , 1 ' ( 5 & 2 1 7 $ , 1 6 ) / $ 0 0 $ % / ( 1 $ 7 8 5 $ / * $ 6 8 1 ' ( 5
( ; 7 5 ( 0 ( / < + , * + 3 5 ( 6 6 8 5 ( ' ( $ 7 + 2 5 6 ( 5 , 2 8 6 , 1 - 8 5 < & $ 1
5 ( 6 8 / 7 ) 5 2 0 , 0 3 5 2 3 ( 5 , 1 6 7 $ / / $ 7 , 2 1 / $ & . 2 ) , 1 6 3 ( & 7 , 2 1
$ 1 ' 0 $ , 1 7 ( 1 $ 1 & ( 2 9 ( 5 ) , / / , 1 * 3 8 1 & 7 8 5 , 1 * 2 5 ' $ 0 $ * (
DRILL
1271488
P UNCTURE FIREDROPCORROSIVE
' $ 1 * ( 5Structural Composites IndustriesA WORTHING TON CYLINDER COMPANYTHIS VEHICLE IS FUELED BY COMPRESSED NATURAL GAS STORED AT HIG\
H PRESSURE.
DO NOT ATTEMPT TO SERVICE FUEL SYSTEM WITHOUT PROPER SYSTEM DE\
PRESSURIZATION.
TO AVOID RISK OF INJURY, THIS VEHICLE SHOULD ONLY BE SERVICED \
BY A QUALIFIED
TECHNICIAN. CNG TANK PRESSURE RELIEF DEVICE WILL VENT AT 103 \
C (217 F).
DO NOT PARK OR SERVICE VEHICLE NEAR ANY SOURCE OF EXCESSIVE H\
EAT OR OPEN FLAME.
DO NOT USE PAINT OVEN FOR ANY PAINT REPAIRS.
SYSTEM SERVICE PRESSURE : 24.8MPA (3600PSIG)
BUILT BY : HONDA MFG. OF INDIANA, LLC
CNG TANK EXPIRATION DATE :
TOTAL WATER VOLUME OF CNG TANK : 26.4 GAL. (100 L)
INSPECT BY OR 36K MI. AND EVERY 3 YR. OR 36K MI. THEREAFTER.
Hood
CNG Tank Expiration Date
Trunk Lid
CNG Tank
CNG Tank Production Date
CNG Label
Fuel Receptacle Lid
CNG Tank Expiration Date
First Inspection
First Inspection
2014 Civic CNG
Page 8 of 46
Indicators
7
Instrument Panel
IndicatorName On/Blinking ExplanationMessage
Low Fuel
Indicator• Comes on when you turn the
ignition switch to ON
II, and
goes off when the engine starts.
• Comes on when the fuel reserve is running low.
• Blinks if there is a problem with the fuel gauge. •
Comes on - Refuel your vehicle as
soon as possible.
When the outside air gets very cold
[below 25°F (
－4°C)], the pressure
of the natural gas inside the tank
goes down, and the fuel gauge may
indicate that you have less fuel than
what actually remains in the tank.
Keep this in mind if the low fuel
indicator comes on while you are
driving in cold weather.
• Blinks - Have your vehicle checked by
an authorized Civic Natural Gas dealer
as soon as possible.
2014 Civic CNG
Page 10 of 46
9
Gauges and Displays
Instrument Panel
Gauges
Fuel Gauge Fuel Gauge
The quantity of fuel remaining in the tank is
calculated based on the pressure and temperature
of the natural gas in the fuel tank.
The gauge, average fuel, range, and instant fuel
economy show more or less than the actual
amount. The tank temperature, fill method, and
ambient conditions may affect the pressure and
temperature of the natural gas.
You can choose when to reset the average fuel
economy.Customized Features
P. 90, Owner's Manual
Refueling a small amount of gas may not trigger trip
A and the average fuel economy to reset.
F UEL LID OPEN
Displays the amount of fuel left in the fuel
tank.
The lower F mark indicates a full tank at a fill
pressure of 3,000 psi.
The upper F mark indicates a full tank at a fill
pressure of 3,600 psi.
If the fuel receptacle lid is open, the fuel gauge blinks when you turn the ignition
switch to ON
II.
It stops blinking when you close the lid.
How to Refue l
P. 16
Upper F Mark
Lower F Mark
Fuel Gauge
2014 Civic CNG
Page 17 of 46
Refueling
16
Driving
Fuel Information
Only fuels that can be used
NFPA-52 and SAE J1616 standards
Use of a fuel that does not meet these standards can cause a decrease in engine
power and damage the emission controls.
Fuel tank capacity:
Slow filling
6.96 gasoline gallon equivalent (3,000 psi)
7.77 gasoline gallon equivalent (3,600 psi)
Fast filling
5.84 gasoline gallon equivalent (3,000 psi)
6.51 gasoline gallon equivalent (3,600 psi)
How to Refuel
There are two methods of refueling:
Fast filling
It takes about three to five minutes to fill up the fuel tank. This method is usually
available at stations designed to refuel natural gas vehicles.
During fast filling, the natural gas is warmed, causing the pressure in the tank to
rise and reduces the amount of fuel you can put in.
Slow filling
It takes about an hour and a half per GGE (Gasoline Gallon Equivalent) to fill up
the fuel tank. This method can be done using a vehicle refueling appliance.
Fuel Quality and Home Refuelin g
P. 3
Fuel Information
For information on the locations of the CNG fuel
stations:
49 States: Visit either http://w w w.afdc.energy.gov/
afdc/fuels/natural_gas_ locations.html , or www.
cngprices.com.
Or call Gas Vehicle Coalition at (202) 824-7360.
California: Visit www.cngvc.org.
The location of the CNG pump can vary from
station to station, may not be clearly marked, or
be readily accessible during certain hours. It is
recommended that you call the station (the number
should be displayed with the address information)
to verify the location and availability of the CNG
pump before you arrive.
How to Refuel
WARNING
Compressed natural gas is flammable and
highly explosive. You could be killed or
seriously injured if leaking natural gas is
ignited.
If you suspect a leak, have your vehicle
immediately inspected and repaired by
an authorized Honda Civic Natural Gas
d e a l e r.
2014 Civic CNG
Page 18 of 46
Refueling How to Refuel
17Continued
Driving
Refueling Procedure Example How to Refuel
NOTICE Using fast fill equipment at temperature below -4°F
(-20°C) may damage the fuel system, potentially
causing a leak.
Always observe all safety recommendations and
operating instructions on the refueling equipment.
Use a fuel filler nozzle that complies with ANSI/AGA
NGV-1-2008 standards.
The CNG filler nozzle mechanism may vary by
service station. Each nozzle standard has different
maximum pressure:P24
•－ 2,400 psi (16,500 kPa)
P30
•－ 3,000 psi (20,700 kPa)
P36
•－ 3,600 psi (24,800 kPa)
The refueling steps shown in this manual are the
typical fast fill refueling procedure. You may need
to go through different steps at a station with slow
fill equipment or other types of equipment. Always
follow the instructions provided on site.
1. Stop your vehicle with the service station
pump on the left side of the vehicle in the
r e a r.
2. Turn off the engine.
3. Push on the fuel receptacle lid release
handle at the foot of the driver’s seat.
The fuel receptacle lid opens.
4. Remove the receptacle dust cap from the
fuel receptacle.
Clean off any dirt or debris around the
fuel receptacle.
5
. Securely connect the CNG fill nozzle to the
fuel receptacle.
Push
Fuel Receptacle
Receptacle
Dust Cap
2014 Civic CNG
Page 20 of 46
19
Maintaining the Fuel System
Maintenance
Your vehicle’s fuel system must be maintained and repaired by an authorized Civic
Natural Gas dealer or a certified NGV technician. The fuel system has no user-
serviceable parts, and its components must not be modified.
See instructions on fuel container for inspection and service life.
Maintaining the Fuel System
Service Pressure: 3,600 psi (24,800 kPa)
CNG Label Locations
P. 4
WARNING
Tampering with, or improperly
maintaining the high-pressure fuel system
can cause a dangerous condition in which
you can be seriously hurt or killed.
Never attempt to modify the fuel system,
and always have fuel system maintenance
performed by an authorized Honda Civic
Natural Gas dealer, or a qualified NGV
technician.
Indoor Vehicle Storage
If you store your vehicle indoors, make sure there is adequate ventilation. We
recommend that you also install a natural gas leak detector.
2014 Civic CNG
Page 22 of 46
21
Maintenance
Maintenance MinderTM To Use Maintenace MinderTM
Maintenance Service Items
2345
Maintenance Service ItemsIndependent of the Maintenance Minder
•information, replace the brake fluid every 3 years.
Inspect idle speed every 160,000 miles (256,000
•km).
Adjust the valves during services A, B, 1, 2, or 3 if
•they are noisy.
CODE Maintenance Main Items
A Replace engine oil •
*1
B Replace engine oil• *1 and oil filter
Replace fuel filter element (low pressure)
•
Drain fuel filter (high pressure)
•
Inspect front and rear brakes/service as necessary
•
Check parking brake adjustment
•
Inspect tie rod ends, steering gearbox, and boots
•
Inspect suspension components
•
Inspect driveshaft boots
•
Inspect brake hoses and lines (Including ABS/ VSA)
•
Inspect all fluid levels and condition of fluids
•
Inspect exhaust system
• #
Inspect fuel lines and connections
• #
Check the expiration date for TRK bottle
• *2
CODE Maintenance Sub Items
1 Rotate tires •
2 Replace air cleaner element• *3
Replace dust and pollen filter
• *4
Replace fuel filter element (high pressure)
•
Inspect drive belt
•
Inspect valve clearance
•
Inspect fuel tank
• *5
3 Replace transmission fluid •
4 Replace spark plugs•
5 Replace engine coolant•
*1: If a message SERVICE does not appear more than 12 months after the display is reset, change the
engine oil every year.
*2: Models with tire repair kit
# : See information on maintenance and emissions warranty. *3: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*4: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and
from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km).
*5: If sub item 2 does not appear more than 36 months after the display is reset, inspect the fuel tank
every three years.
See CNG tank expiration and production dates on page 5 for inspection and replacement
information. Fuel tank should be replaced 15 years after it was manufactured.
System Message
Indicator
Maintenance Minder
Message
Main
Item Sub Items
2014 Civic CNG