What are the signs of timing chain failure in a Hyundai i20 1.2-1.4 Petrol-

The G4LA and G4FA engines are prone to timing chain tensioner wear. Early warning signs include a distinct metallic rattling noise from the engine on a cold start (lasting 2-3 seconds), sluggish acceleration, or an engine management light. - Listen for a rattle during the first few seconds of a cold startup. - Monitor for excessive oil consumption or performance loss. - Address any chain noise immediately to prevent catastrophic valve damage.

Is it worth replacing the engine in a 2012-2014 Hyundai i20-

This depends on the vehicle's overall condition. With 2012-2014 Hyundai i20 values currently ranging from £1,500 to £3,500, a £1,200-£2,200 replacement represents a significant portion of the vehicle's value. - Evaluate the vehicle's bodywork, interior, and service history. - A rebuilt engine resets the mechanical lifespan with upgraded components. - If the vehicle is otherwise in poor condition, evaluate scrap or part-ex value first.

Hyundai i20 1.2-1.4 Petrol SPECIALISTS

Hyundai i20 1.2-1.4 Petrol Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Hyundai i20 1.2-1.4 Petrol engine specialists. Compare prices on reconditioned, rebuilt and used engines to ensure a reliable and cost-effective replacement for your supermini.

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Hyundai i20 1.2-1.4 Petrol Engine

from£800 to £2,200 [...

Usedfrom £400
Reconditionedfrom £800
Common codesG4LA, G4FA

Hyundai i20 1.2-1.4 Petrol Used Engine — G4LA

Hyundai i20Used Engine — G4LA

Hyundai i20 1.2-1.4 Petrol Reconditioned Engine — G4LA

Hyundai i20Reconditioned Engine — G4LA

Hyundai i20 1.2-1.4 Petrol Rebuilt Engine — G4LA

Hyundai i20Rebuilt Engine — G4LA

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Hyundai i20 1.2-1.4 Petrol Engine History & Specs at a Glance

The 2012-2014 Hyundai i20 petrol range was powered by the reliable 1.2L Kappa and 1.4L Gamma engines, offering a balance of urban efficiency, low running costs, and straightforward maintenance for the late PB generation.

2012
G4LA (1.2L Kappa) and G4FA (1.4L Gamma) continued as the core petrol offerings following the PB generation facelift, featuring refined engine mounts and updated ECU mapping for better fuel economy.
2014
End of the PB generation production, transitioning to the all-new GB generation with the updated Kappa II engine family.

Every engine fitted to the Hyundai i20 1.2-1.4 Petrol is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Hyundai i20 1.2-1.4 Petrol Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

G4LA — 1.2L Petrol (2012-2014)

Power Output: 75-84hp
Years Fitted: 2012-2014

Can’t find your exact engine code?-> Get quotes for G4LA Hyundai i20 1.2-1.4 Petrol engine replacement

-> Get quotes for G4LA Hyundai i20 1.2-1.4 Petrol engine replacement

Common failure points and repair options

Timing Chain Stretch & Tensioner Wear

Affected: Hyundai i20 1.2-1.4 Petrol (G4LA, G4FA, 2012-2014)
Typical failure mileage: 70,000-100,000 miles

Root cause

The original hydraulic tensioner can gradually lose pressure under thermal cycling, allowing the timing chain to slacken, stretch, and eventually skip a tooth on the camshaft sprockets, risking catastrophic valve-to-piston contact.

Repair options

Repair tier	Dealer price	Specialist price
Minor - Preventative Chain Kit Replacement	£900-£1,400	£600-£900
Full Replacement - rebuilt/reconditioned engine	£1,800-£2,800	£1,200-£2,200

Our recommendation

If your i20 petrol engine only rattles for 2-3 seconds on cold starts, book a preventative chain kit replacement immediately. The labour is significantly cheaper when caught early. If the rattling is continuous, accompanied by loss of power or an engine management light, the chain has likely jumped. At this point, internal damage is almost certain, and a rebuilt unit with an updated tensioner is the safest and most economical choice, provided the car's body and interior are in good condition.

-> Get instant quotes for rebuilt G4LA & G4FA Hyundai i20 1.2-1.4 Petrol engines

Oil Consumption & Piston Ring Wear

Affected: Hyundai i20 1.2-1.4 Petrol (G4LA, G4FA, 2012-2014)
Typical failure mileage: 80,000+ miles

Root cause

Over time, the piston rings can wear or become clogged with carbon deposits, reducing their ability to scrape oil from the cylinder walls. This leads to oil burning, blue exhaust smoke, and potential catalytic converter damage.

Repair options

Repair tier	Dealer price	Specialist price
Minor - Monitoring & Top-Ups	£0-£100	£0-£50
Full Replacement - rebuilt/reconditioned engine	£1,800-£2,800	£1,200-£2,200

Our recommendation

For mild oil consumption, regular top-ups and switching to a high-quality synthetic oil can extend the engine's life. However, if the engine is producing blue smoke or failing emissions tests due to oil burning, a rebuilt unit with upgraded piston rings is the most reliable long-term solution.

-> Compare rebuilt G4LA & G4FA Hyundai i20 1.2-1.4 Petrol engine prices

Don't Let Engine Failure Write Off Your Hyundai i20 1.2-1.4 Petrol

Protect your supermini with a rebuilt engine that addresses the G4LA and G4FA's known timing chain and oil consumption weaknesses. Every engine supplied through our network features upgraded components, comes with a minimum 12-month unlimited mileage warranty, and is available with nationwide supply and fit to get your i20 back on the road.

Compare Hyundai i20 1.2-1.4 Petrol Engine Replacement Prices Now ->

FAQ

Hyundai i20 1.2-1.4 Petrol Engine ReplacementFrequently Asked Questions

Everything Hyundai i20 1.2-1.4 Petrol owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A rebuilt Hyundai i20 1.2-1.4 Petrol engine typically costs between £800 and £2,200 for supply only, depending on the specific engine code (G4LA or G4FA) and condition. Supply and fit packages range from £1,200 to £2,800 depending on the specialist.

Supply-only rebuilt: £800-£2,200 [ESTIMATED]
Supply & fit: £1,200-£2,800 [ESTIMATED]
Always ensure the quote includes a minimum 12-month warranty.

-> Compare Hyundai i20 1.2-1.4 Petrol engine replacement quotes today.

The G4LA and G4FA engines are prone to timing chain tensioner wear. Early warning signs include a distinct metallic rattling noise from the engine on a cold start (lasting 2-3 seconds), sluggish acceleration, or an engine management light.

Listen for a rattle during the first few seconds of a cold startup.
Monitor for excessive oil consumption or performance loss.
Address any chain noise immediately to prevent catastrophic valve damage.

-> If you notice these symptoms, get a Hyundai i20 1.2-1.4 Petrol engine quote immediately.

This depends on the vehicle's overall condition. With 2012-2014 Hyundai i20 values currently ranging from £1,500 to £3,500, a £1,200-£2,200 replacement represents a significant portion of the vehicle's value.

Evaluate the vehicle's bodywork, interior, and service history.
A rebuilt engine resets the mechanical lifespan with upgraded components.
If the vehicle is otherwise in poor condition, evaluate scrap or part-ex value first.

-> Check Hyundai i20 1.2-1.4 Petrol rebuilt engine prices now.

A standard supply and fit service for a Hyundai i20 1.2-1.4 Petrol typically takes 2 to 4 working days from booking to completion. This includes delivery of the replacement unit, professional fitting, and post-installation diagnostics.

Engine delivery: 1-2 working days.
Fitting and ECU adaptation: 1-2 days.
Always confirm turnaround times with your chosen specialist.

-> Book your Hyundai i20 1.2-1.4 Petrol supply and fit service today.

Fitting a Hyundai i20 engine yourself is possible for experienced mechanics with proper tools, but it requires ECU coding and ancillary component transfer. Most owners save time and ensure warranty validity by using our UK specialist supply and fit network.

Engine swaps require ECU coding and immobiliser pairing expertise.
Professional fitting ensures warranty validity on rebuilt engines.
Supply and fit through our network costs £400-£600 including labour.

-> Book Hyundai i20 1.2-1.4 Petrol engine supply and fit with a vetted UK specialist.

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Comparing quotes is completely free and carries no obligation. By entering your registration, you ensure that the quotes you receive are specifically matched to your exact Hyundai i20 1.2-1.4 Petrol and its unique engine code, connecting you directly with vetted UK specialists who understand superminis.

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