Honda CNG Compatibility Guide

Your dealer provides a dated quotation with one complete fitment price for the kit and installation, including cylinder mounting, installation labour, calibration and operating checks. Documentation charges and accessories outside the standard kit may be quoted separately. Confirm the cylinder specification, applicable taxes, final payable total and written warranty before installation.

The complete system includes the selected ECU, reducer, injector rail or mixer, sensors, switch, valves, wiring harnesses, pipes and standard installation accessories.

Compare the specified system, calibration, local service and warranty. Gold, Premium, “Italian kit”, imported origin or online rankings alone do not identify the right system.

• Conventional: gas is mixed with the intake air through a mixer.
• Sequential: an ECU controls gas delivery through individual injectors.
• DPI (Dual Point Injection): two port injectors per cylinder require the corresponding Sequential configuration. MIJO’s four-cylinder, eight-injector DPI configuration uses a dedicated 4×8 ECU.
• DI (Direct Injection): requires a dedicated system developed for the direct-injection engine.

These are MIJO’s system categories; availability follows the engine applications described on this page. DPI differs from Direct Injection; turbocharging alone does not distinguish MPI, turbo-MPI and DI.

MIJO Direct Drive 2.0 uses KME ECU technology from Poland for supported DI applications.

CNG means Compressed Natural Gas. In a Sequential system, the reducer lowers gas pressure, injectors meter gas and the ECU coordinates delivery. Three-cylinder, four-cylinder and other supported configurations use the corresponding ECU and injectors.

Standard port-injected Sequential systems start on petrol and change automatically to CNG at calibrated operating conditions; the driver can select petrol when needed.

MIJO is preferred by Honda for CNG retrofitment of the third-generation Amaze. Honda’s information checked on 5 September 2026 described government-approved, dealer-facilitated retrofitment for select All New Amaze variants. The participating dealer identifies the kit, programme price, eligible variant and written warranty.

Honda also described a dealer retrofit route for select Elevate variants. This does not establish MIJO supplier status for every Elevate. Earlier Amaze generations and automatic/CVT variants have their own programme scope; the availability of a petrol CVT does not establish its CNG programme eligibility. Programme terms do not automatically transfer to an independent fitment.

A factory-built CNG car, dealer retrofit and older CNG-ready City are different offers. Ask Honda which describes a purchase; the Amaze programme does not establish City factory-CNG availability.

City/City ZX cars from 2007–2017, later i-VTEC engines and City e:HEV have different powertrains. Include registration, odometer reading, maintenance history and any existing conversion for an older-car enquiry. An i-VTEC badge or manual/CVT/automatic transmission alone does not identify the hardware.

Current Honda City or Amaze on-road prices include the vehicle and city-specific registration, insurance and charges. A MIJO quote covers the selected system and installation. Compare dated like-for-like quotes rather than an old price list, PDF or another car’s price.

Share the country, year and petrol or hybrid powertrain for an overseas enquiry. Civic, Accord and CR-V engines and original equipment may differ by market. Destination documents and local service arrangements form part of an export enquiry. Overseas pricing follows the destination market.

Civic Natural Gas and other original factory-CNG Hondas require identification of the existing system and cylinder for replacement or service. A foreign-market tank replacement price or factory specification is different from a MIJO conversion of an ordinary petrol car.

Divide distance travelled on CNG by kilograms refilled over comparable fills. CNG mileage is measured in km/kg; petrol mileage uses km/l. Traffic, load, driving style, vehicle condition and calibration affect the result.

For running cost per kilometre, divide the local fuel price by actual mileage in its matching units. The calculator uses local fuel prices and monthly kilometres to estimate savings and conversion payback. Estimates are not guaranteed or factory-certified mileage.

A Honda City or Amaze CNG estimate starts from that car’s actual petrol mileage. Jazz or Brio results from another vehicle or generation are not official Honda mileage figures.

Litres describe water capacity, not gas weight. For a standard system, a 60 L cylinder holding about 8 kg at 15 km/kg gives an estimated 120 km range. Actual fill varies with residual pressure, gas temperature, station pressure and cut-off.

Compare cylinder size, weight, mounting, valve access, ground clearance, usable seating, luggage and spare-wheel access with your normal passenger load and any commercial equipment. Factory boot volume or another car’s installation does not specify the space remaining in yours.

Confirm the cylinder manufacturer, specification and applicable cylinder documents. MIJO supplies the conversion kit; cylinders are sourced from cylinder manufacturers.

Contact your MIJO fitment centre with the invoice, system identification and service record. MIJO kit warranty, installer workmanship and vehicle-manufacturer warranty have separate terms. Service cost depends on the work required; ask for an itemised quote covering work, parts, labour and taxes; continue the engine-oil and spark-plug maintenance specified by your car’s owner’s manual.

For poor running, warning lights, fuel-level readings or calibration, provide ECU/component identification, installation history and symptoms. Software and wiring downloads and replacement filters, reducers, switches, sensors, emulators and other components and accessories must match the installed system. Installation includes calibration, leak and operating checks and a road check.

For supported Honda applications, MIJO lists a Honda Fuel Level Corrector and Honda connector options for the ME11 emulator. Select hardware and wiring for the actual vehicle and installed system.

Within MIJO’s Conventional and Sequential range, suitable BS3 petrol applications can use Conventional or Sequential; from BS4 onward, port-injected MPI or MPFI applications use Sequential. BS4 and BS4 OBD2 are separate approval stages, alongside BS6 Phase 1 and BS6 Phase 2. The emission stage alone does not identify injection technology.

For Conventional and Sequential fitment, obtain the applicable vehicle-kit approval documents, including certificate validity, manufacturing year and emission scope, and confirm the local RC endorsement and insurance process. ARAI or ICAT references identify the testing agency; RTO registration is a separate step.

Before fitment, your dealer checks the vehicle condition and confirms the applicable vehicle-kit approval.

MIJO does not support the use or installation of a second-hand CNG kit. Choose a new, complete MIJO kit installation with applicable approval documents and written warranty terms.

MIJO develops and manufactures CNG and LPG systems in Kundli, Delhi NCR. Established in 2001, its in-house product development, tooling, machining, assembly and testing support a company-wide record of 1 Million+ Customers, a 1,000+ Dealer Network and exports across 17+ countries. See our manufacturing capabilities.

Export partners can arrange destination-market documentation, training, spare parts and after-sales service support through MIJO.

Diesel, battery-electric, two-wheeler and heavy-vehicle applications are outside this passenger-car petrol-to-CNG guide. LPG requires a separate system, tank, storage components, assessment and quotation; CNG prices, km/kg figures and fill estimates do not describe LPG. Explore Sequential LPG.