Honda · FC5 · 2016-2021

Honda Civic 1.6 i-VTEC Eco specs and common problems

One of the best-selling sedans in Turkey in recent years. The factory-fitted LPG Eco version is very common. The chain-driven engine is robust, but the screw-type valve adjustment must be done regularly on LPG. The CVT needs fluid maintenance.

Engine code
R16B
Engine oil · 0W-20
3.7 L
Timing
Chain
Original size
215/55 R16
LPG
Conditional

01 / 07

How much oil does the Civic 1.6 i-VTEC Eco take?

The Civic 1.6 i-VTEC Eco takes about 3.7 litres of 0W-20 engine oil including the filter. Approval to look for on the bottle: Honda Genuine / API SN.

Engine oil
0W-20
With filter
3.7 L
Approval
Honda Genuine / API SN
Alternative
5W-30
CVT
Honda HCF-2 · ≈ 3.5 L (drain and fill)
Manual 6-speed
Honda MTF · ≈ 1.5 L
Coolant
Honda Type 2 · ≈ 5 L
Brake fluid
DOT 3 / DOT 4

02 / 07

Timing chain and maintenance

TimingChain

No replacement interval

The chain is long-lasting; regular oil changes are enough.

Oil change
10,000 km or once a year
Spark plug
Iridium · 100,000 km (40,000 km on LPG)
Valves / tappets
Screw-type mechanical adjustment. On LPG cars, adjust the valves every 40,000 km.
Air filter
30,000 km
Power
125 hp @ 6,500 rpm
Torque
152 Nm @ 4,300 rpm
Displacement
1,597 cc
Fuel
Petrol · Naturally aspirated
Valvetrain
SOHC 16V, i-VTEC
Injection
Multi-point sequential injection (MPI)
Transmission
6-speed manual / CVT
Emissions
Euro 6

03 / 07

Tyre size and pressure

Front / Rear
33/33 PSI
Full load
33/33 PSI
Original size
215/55 R16
Alternative sizes
215/50 R17 · 235/40 R18
Bolt pattern (PCD)
5x114.3
Centre bore
64.1 mm
Wheel
7J x 16 ET45
Calculate speedometer error for a size change →

04 / 07

Is the Civic 1.6 i-VTEC Eco suitable for LPG?

Conditionally suitable, valve adjustment required

Factory-fitted or sequential LPG system

Toroidal tank
630/220 toroidal tank, ≈ 52 L gross
Valve protection
Required (valve protection and valve adjustment every 40,000 km)
  • On factory-fitted LPG Eco versions the tune was done by the manufacturer, but the valve adjustment interval still has to be followed.
  • A change in engine noise indicates it's time for a valve adjustment.

05 / 07

Civic 1.6 i-VTEC Eco common problems and fixes

  1. #01

    Valve clearance drifting on LPG

    High Risk

    Every 40,000 km

    Symptom:
    Ticking from the engine or going quiet, rough idle, P0300.
    Cause:
    Valve clearance changing due to LPG's dry combustion.
    Proper fix:
    The valves are adjusted. If compression has dropped, the cylinder head needs repair.
  2. #02

    CVT judder when pulling away

    Medium Risk

    After 80,000 km

    Symptom:
    Judder when pulling away, revs rise but acceleration is slow.
    Cause:
    CVT fluid never changed.
    Proper fix:
    Change with genuine CVT fluid; software update if needed.
  3. #03

    A/C compressor clutch failure

    Low Risk

    After 60,000 km

    Symptom:
    A/C cools intermittently.
    Cause:
    The magnetic clutch air gap opening up.
    Proper fix:
    Adjust the clutch air gap or replace the clutch.

06 / 07

Common fault codes on the Civic 1.6 i-VTEC Eco

07 / 07

Frequently asked questions

How much engine oil does the Civic 1.6 i-VTEC Eco take?

The Civic 1.6 i-VTEC Eco (R16B) takes about 3.7 litres of engine oil including the filter. Recommended viscosity is 0W-20; look for the Honda Genuine / API SN approval. Check the level on the dipstick after filling.

When should the timing chain on the Civic 1.6 i-VTEC Eco be replaced?

This engine uses a timing chain. No replacement interval. The chain is long-lasting; regular oil changes are enough.

What tyre pressure should the Civic 1.6 i-VTEC Eco run?

With the original 215/55 R16 tyres, 33 PSI front and 33 PSI rear are recommended at normal load, and 33 front / 33 rear at full load. The exact values are on the door pillar or fuel flap sticker.

Is the Civic 1.6 i-VTEC Eco suitable for LPG?

Conditionally suitable, valve adjustment required. On factory-fitted LPG Eco versions the tune was done by the manufacturer, but the valve adjustment interval still has to be followed.

What are the common problems of the Civic 1.6 i-VTEC Eco?

The best-known problems are: Valve clearance drifting on LPG, CVT judder when pulling away, A/C compressor clutch failure. The symptoms and fix for each are explained on this page.

Other Honda models

Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·