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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
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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
Page 43 of 46

Specifications
42
Information
Vehicle Specifications
ModelHonda Civic 4-Door Natural Gas
No. of Passengers:
Front
Rear
Total 2
3
5
Weights:
Gross Vehicle Weight
Rating 3,870 lbs (1,755 kg)
Gross A xle Weight
Rating (Front) 2,007 lbs (910 kg)
Gross A xle Weight
Rating (Rear) 1,863 lbs (845 kg)
Air Conditioning:
Refrigerant Type
Charge Quantity
Lubricant Type HFC-134a (R-134a)
13.2 – 15.0 oz (375 – 425 g)
SP-10
Engine Specifications
Displacement
110 cu-in (1,798 cm3)
Spark Plugs NGKSILKR8B8DS
Fuel
Fuel Tank
Service Pressure 3,600 psi (24,800 kPa) at 70°F (21°C)
Fuel Tank
Capacity 3,000 psi:
Slow filling
Fast filling
6.96 GGE
5.84 GGE
3,600 psi:
Slow filling
Fast filling
7.77 GGE
6.51 GGE
Washer Fluid
Tank Capacity 2.6 US qt (2.5 ℓ)
Light Bulbs
Headlights (Low Beam) 51W (HB4)
Headlights (High Beam) 60W (HB3)
Front Turn Signal/Parking/Side
Marker Lights
28/8W (Amber)
Brake/Taillights 21/ 5W
Rear Turn Signal Lights 21W (Amber)
Rear Side Marker Lights LED
Back-Up Lights 16 W
Taillights 3CP
High-Mount Brake Light 21W
Rear License Plate Lights 5W
Trunk Light 5W
Interior Lights
Map Lights
Ceiling Light 8W
8W
2014 Civic CNG