3. Why Choose CNG Kit Installation in Maruti Ignis?

Maruti petrol engines are already frugal — the Ignis returns around 18–20 km/l in mixed driving. But petrol prices above ₹100/litre mean even a frugal car costs ₹5–6 per km to run. After CNG kit installation in Maruti Ignis, that drops to roughly ₹2.70–₹3.20 per km, depending on local CNG rates.

There are three reasons the Ignis is a particularly strong candidate for CNG conversion:

• Lightweight HEARTECT platform: The Ignis is one of the lightest cars in its segment. A 55L CNG cylinder (roughly 45–50 kg when empty) has a far smaller impact on the car's acceleration and suspension than it would on a heavier sedan or SUV.
• High ground clearance: The Ignis sits higher than most hatchbacks (180 mm), which means the cylinder plumbing and high-pressure line routing is cleaner and less exposed to speed breakers.
• Proven DualJet engine: The K12N DualJet engine has been converted to CNG literally hundreds of thousands of times across Swift, Dzire, Baleno and Ignis. The ECU behaviour is extremely well understood by experienced installers.

For a city commuter doing 1,000–1,500 km a month, the savings add up to ₹2,500–₹4,000 per month. For a commercial or ride-hailing user doing 3,000+ km a month, CNG kit installation in Maruti Ignis can pay for itself in under 5 months.

4. Ignis Engine & CNG Compatibility

The Maruti Ignis sold in India is powered by a single engine option: the 1.2L DualJet K12N petrol engine. There is no diesel, no turbo, and no hybrid variant. This actually simplifies CNG kit installation in Maruti Ignis — there's only one correct kit specification.

Engine Specifications

The DualJet's dual-port injectors require a slightly more precise ECU calibration than older single-injector Maruti engines, but the engine itself responds beautifully to sequential gas injection. The trick is that the installer must correctly read the petrol injector pulse width and mirror it for the CNG injectors — this is why laptop tuning after installation is non-negotiable.

5. Ignis Overview & CNG Suitability

6. Performance & Mileage on CNG

What actually happens when you drive an Ignis on CNG? Here's the honest, real-world picture based on our installations:

The Ignis's lightweight construction means the power drop on CNG is noticeably smaller than on heavier Marutis like the Brezza or Ertiga. Most owners report that the car still feels lively in city traffic, and highway cruising at 80–100 km/h is completely comfortable.

7. Boot Space Impact After CNG Kit Installation in Maruti Ignis

The Ignis offers 260 litres of boot space in petrol form — decent for a hatchback of its size but not class-leading. After CNG installation, this is what you can expect:

In practical terms, a 55L cylinder leaves enough flat floor space for two cabin trolleys, several grocery bags, or a folded pram. A 60L cylinder leaves slightly less but gives you roughly 30–40 km of extra range.

Our recommendation: For daily city use, go with the 55L cylinder. It preserves the Ignis's nimble feel and leaves the most usable boot. For highway-heavy users who value range, a 60L cylinder is worth the trade-off.

8. Best CNG Kit for Maruti Ignis

Not all CNG kits are equal. For CNG kit installation in Maruti Ignis, you need a sequential MPI kit specifically calibrated for the DualJet engine. Here are the options we install:

What every kit must include:

• AIS-024 type approval certificate (mandatory for RTO endorsement)
• Sequential gas injection (not venturi/conventional)
• OBD-II connectivity for fuel-trim monitoring
• PESO-approved CNG cylinder with hydro-test certificate
• Electronic pressure reducer
• High-pressure stainless steel line with proper routing

9. Sequential vs. Venturi — Why Only One Works on the Ignis

The Ignis is a BS6 vehicle with electronic multi-port fuel injection. A Venturi (conventional) kit uses mechanical vacuum to draw gas into the intake — it has no way to synchronise with the DualJet's electronic injectors. On an Ignis, a Venturi kit will cause:

• Severe power loss (20–30%)
• Backfiring and potential intake manifold damage
• Persistent Check Engine Light (CEL) and P0171 lean codes
• RTO rejection — Venturi kits do not meet AIS-024 emissions standards for BS6 vehicles

A Sequential MPI kit reads the original petrol injector signals from the car's ECU and fires dedicated CNG injectors in the exact same sequence. This is the only legally and mechanically correct approach for CNG kit installation in Maruti Ignis.

10. CNG Kit Price in Maruti Ignis

What's included in the price: Kit, cylinder, installation labour, plumbing, wiring, leak testing, laptop ECU calibration, road test, AIS-024 certificate, installation certificate, PESO cylinder certificate, and basic RTO paperwork assistance.

What may cost extra: RTO endorsement fees (varies by state, typically ₹1,500–₹4,000), insurance endorsement for the CNG kit (typically ₹1,500–₹3,500 premium increase), and any pre-existing engine repairs identified during the health check.

11. Running Cost & Payback Calculation for the Ignis

Numbers above are indicative and vary with local fuel prices, driving style and CNG station availability. The key takeaway: CNG kit installation in Maruti Ignis is highly profitable for anyone driving more than 1,000 km a month.

12. Installation Process Step-by-Step

Here's exactly what happens during CNG kit installation in Maruti Ignis at our workshop:

• Step 1 — Health Check (45–60 min): OBD-II scan for existing faults, compression test, spark plug inspection, and check for any leaks or misfires before conversion. We do not proceed if the engine has unresolved issues.
• Step 2 — Cylinder Mounting (1.5–2 hrs): Fabricate and mount brackets to the chassis, install the CNG cylinder in the boot, and route the high-pressure stainless steel line along the underbody with proper clamps.
• Step 3 — Filling Valve & Plumbing (1 hr): Install the filling valve (typically near the fuel filler), mount the pressure reducer in the engine bay, and route coolant lines to warm the reducer.
• Step 4 — Wiring & CNG ECU (1 hr): Install the CNG ECU, wire CNG injectors into the intake manifold, connect the changeover switch, and splice the OBD-II signal lines.
• Step 5 — Leak Test (30 min): Pressurise the system to full CNG pressure and apply soap solution to every joint, connection and valve. Any leak is fixed before proceeding.
• Step 6 — ECU Calibration & Road Test (1–1.5 hrs): Connect a laptop to the CNG ECU, run the auto-calibration routine, then manually fine-tune fuel trims during a road test on both petrol and CNG. Verify smooth changeover, no CEL, and correct AFR.
• Step 7 — Documentation (30 min): Hand over the installation certificate, AIS-024 certificate and PESO cylinder certificate, and guide you on RTO submission.

Total time: 5–6 hours for a standard manual Ignis; 6–7 hours for AGS variants requiring extra tuning time.

13. ECU Tuning for the Maruti Ignis DualJet Engine

The DualJet engine is more sensitive to air-fuel ratio errors than older Maruti engines. A "plug-and-play" CNG kit that is fitted but never tuned will typically cause:

• Check Engine Light (P0171 lean or P0172 rich)
• Rough idle, especially when cold
• Jerky AGS shifting
• Poor mileage (sometimes worse than petrol)

During CNG kit installation in Maruti Ignis, our technicians connect a laptop to both the CNG ECU and the car's OBD-II port. We monitor short-term and long-term fuel trims on both petrol and CNG, and adjust the injection map until the trims stay within ±5% under all load conditions. This is what makes the difference between a conversion that feels factory-like and one that feels jerky and underpowered.

14. RTO Endorsement & Legal Requirements

Driving your Ignis after CNG kit installation in Maruti Ignis without an updated Registration Certificate is illegal and can attract a fine under the Motor Vehicles Act. The RTO must endorse the fuel type change on your RC.

Documents Required

• Original RC
• Valid insurance (must be endorsed to include the CNG kit)
• Valid PUC certificate
• AIS-024 / AIS-028 type approval certificate (we provide)
• Installation certificate (we provide)
• PESO hydro-test certificate for the cylinder (we provide)
• Form 20 (application for re-registration/endorsement)

Timeline: Endorsement typically takes 7–30 working days depending on your RTO district. We assist with the complete submission and follow-up process.

15. Maintenance & AMC After Conversion

CNG kit installation in Maruti Ignis is not a "fit and forget" job. The system needs periodic servicing to stay reliable:

• Every 5,000 km: Visual inspection of high-pressure lines, leak test, ECU diagnostics, and changeover switch check.
• Every 20,000 km: Replace the low-pressure gas filter (critical for injector health).
• Every 15,000 km: Inspect spark plugs — CNG burns hotter and plugs wear differently.
• Every 3 years: Cylinder hydro-test (mandatory by PESO).
• Every 5 years: Cylinder replacement if the hydro-test fails or the cylinder reaches its end-of-life date.

We offer an Annual Maintenance Contract (AMC) that covers all of the above for a fixed yearly fee. This is especially worth it for high-mileage and commercial users.

16. Warranty & Insurance Impact

Warranty

Aftermarket CNG kit installation in Maruti Ignis typically voids the engine and powertrain warranty from Maruti Suzuki. This is true of all aftermarket conversions, not just ours. The rest of the vehicle's warranty (electricals, body, air conditioning) usually remains intact, but you should confirm this with your dealer.

If your Ignis is still under Maruti's extended warranty, weigh the remaining warranty value against the fuel savings. For most owners past the 3-year mark or doing high mileage, the math strongly favours conversion.

Insurance

You must inform your insurer immediately after CNG kit installation in Maruti Ignis. The policy needs to be endorsed to include the CNG kit as an accessory. The premium increase is typically ₹1,500–₹3,500 per year. If you don't endorse the policy and the car is damaged, the insurer may reject the CNG kit portion of the claim.

17. Common Issues After CNG Kit Installation in Maruti Ignis (and How We Solve Them)

• Check Engine Light after conversion: Almost always a tuning issue — fuel trims not calibrated correctly. We re-tune and resolve.
• Rough idle on cold start: Usually caused by a weak reducer heater or poor coolant plumbing. Fixed by upgrading the reducer or re-routing coolant lines.
• Jerky AGS shifts: The AMT needs torque-signal-based retuning. This is why AGS conversions need extra road-test time.
• Reduced top-end power: Often caused by a clogged gas filter or a low-flow reducer. Replaced and resolved.
• Poor mileage on CNG: Usually an over-rich or over-lean map. Re-tuning the CNG ECU restores normal mileage.
• Gas smell inside cabin: A leak in the high-pressure line or at a fitting. Immediate leak test and fix — this should never be ignored.

18. Is the Maruti Ignis Right for CNG? Our Verdict

19. Frequently Asked Questions About CNG Kit Installation in Maruti Ignis

How much does CNG kit installation in Maruti Ignis cost?

Expect ₹36,000 to ₹48,000 depending on kit brand, cylinder size and RTO paperwork. A 55L cylinder with a standard sequential kit generally lands around ₹36,000–₹42,000, while a premium Italian kit with a 60L cylinder goes up to ₹48,000. This includes installation, ECU tuning and basic RTO paperwork assistance.

What mileage does a Maruti Ignis give on CNG?

After proper conversion and tuning, expect 24–26 km/kg in the city and 29–30 km/kg on the highway. With a 55L cylinder, that works out to a real-world range of roughly 280–350 km per fill.

Can I install a CNG kit on the Ignis AGS (automatic)?

Yes, fully supported. AGS gearboxes are more sensitive to torque changes, so the CNG ECU needs careful road-test-based calibration to keep shifts smooth. Budget an extra hour of tuning time for AGS variants.

Does Maruti offer factory S-CNG on the Ignis?

No. Unlike the WagonR, Celerio, Dzire and Ertiga, the Ignis does not have a factory S-CNG variant. Every Ignis CNG conversion is aftermarket — which means installer quality matters even more.

How much boot space is left after CNG kit installation in Maruti Ignis?

The Ignis has 260 litres of boot space in petrol form. A 55L cylinder leaves about 120–130 litres usable — enough for daily errands, grocery bags or two cabin trolleys. A 60L cylinder leaves slightly less.

Is RTO endorsement required after conversion?

Yes, it is mandatory. Driving with an unendorsed CNG kit is illegal. The RC must be updated to reflect the dual-fuel status. We provide all required certificates and assist with the full endorsement process.

Will CNG conversion damage my Ignis engine?

Not if done correctly. A properly tuned sequential MPI kit with correct fuel trims has no adverse effect on the DualJet engine. The problems people read about online come from poorly tuned or venturi kits — not from correct sequential installations.

How often should I service the CNG kit?

Every 5,000 km for a visual inspection and leak test, every 20,000 km for the gas filter, and every 3 years for the mandatory cylinder hydro-test.

Can I remove the CNG kit later and sell the car on petrol?

Yes. CNG kits can be removed and the RC re-endorsed back to petrol. However, this is rarely done — most buyers actually value a well-installed CNG kit and pay a premium for it in the used car market, especially for hatchbacks.

Do you install CNG kits outside Delhi NCR?

Our main workshop is in Mundka, New Delhi, but we partner with trained installers across multiple states. Contact us with your location and we'll advise on the best option — either a scheduled appointment at our Delhi workshop or a referral to a vetted partner near you.

20. Book Your CNG Kit Installation in Maruti Ignis Today