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SEAT Mii Engine ReplacementCompare Prices & Save

Get quotes from trusted UK SEAT Mii engine specialists. Compare used and reconditioned prices for 1.0L - CHYA, CHYB & DAFA covered. Find the best value for your budget.

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Seat Mii 1.0 MPI petrol engine replacement- CHY CJZB rebuilt reconditioned UK
1.0 MPI Petrol Engines- from £895 to £1,650

Rebuilt units from £895

Common codes: CHY, CJZB

Seat Mii 1.0 TSI petrol engine replacement- CHYB CZPB rebuilt reconditioned UK
1.0 TSI Petrol Engines- from £1,150 to £2,100

Rebuilt units from £1,150

Common codes: CHYB, CZPB

Seat Inca 1.2 TDI diesel engine replacement- CFWA CFWD rebuilt reconditioned UK specialist
1.2 TDI Diesel Engines- from £1,250 to £2,300

Rebuilt units from £1,250

Common codes: CFWA, CFWD

Seat Mii engine replacement UK- compare reconditioned and rebuilt engine prices
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Instant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialists
How It Works

3 Simple Stepsto Finding the Best SEAT Mii Replacement Engine

12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers

Most replacements completed within 3-5 days.

Engine Intelligence

Seat Mii Engines- Codes, Common Failures& Replacement Costs

The cards below cover the main engines fitted to the Seat Mii in the UK- including known failure causes, production years across variants, typical replacement costs, and key technical specs. Tone: honest, informative, data-led. Do not say"in stock". Do not say"available now". Do not make absolute price claims- use"typical UK market ranges".

SEAT Mii engine intelligence reference

CHY

Production History

  • 1.0 MPI 60hp (S)- 2012-2019
  • 1.0 MPI 75hp (SE)- 2012-2019

Known Failures

  • Ignition coil failure- common cause of misfires and rough running in early models.
  • Carbon buildup on intake valves- direct injection design leads to deposits over time.
  • Water pump leaks- plastic impellers can fail, leading to overheating.

Specs

Petrol · 1.0L · 60-75hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £895-£1,450(supply only)

CHYB

Production History

  • 1.0 TSI 95hp (SE Technology)- 2015-2019
  • 1.0 TSI 110hp (FR)- 2015-2019

Known Failures

  • Timing chain tensioner wear- EA211 engines prone to stretch if oil changes are delayed.
  • Turbocharger wastegate rattle- common issue causing boost control errors.
  • High-pressure fuel pump issues- occasional failures in high-mileage examples.

Specs

Petrol · 1.0L · 95-110hp · Turbocharged

Replacement Cost

Typical UK rebuilt engine: £1,150-£1,850(supply only)

CFWA

Production History

  • 1.2 TDI 75hp (SE)- 2012-2015
  • 1.2 TDI 75hp (Style)- 2012-2015

Known Failures

  • DPF blockage- frequent short journeys prevent regeneration, causing expensive filter needs.
  • EGR valve clogging- common in stop-start city driving, leading to limp mode.
  • Injector seal wear- leads to carbon buildup in cylinder head.

Specs

Diesel · 1.2L · 75hp · Turbocharged

Replacement Cost

Typical UK rebuilt engine: £1,250-£2,000(supply only)

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Variants We Cover

Seat Mii Engine Replacement- All Variants Covered

Not sure which variant your Seat Mii is- Enter your registration number above- we’ll identify the exact sub-model, engine code and compatible replacement options instantly.

Engine Codes

Seat Mii Engine Codes

Every engine code fitted to the Seat Mii across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select an engine code to compare quotes.

Petrol Engines

Extracted from detailed petrol and performance engine families across SEAT Mii variants.

Can't find your engine code-

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Common Problems

Seat Mii Engine Problems- What It Costs to Fix& When Replacement Makes Sense

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Save vs Main Dealer Price

Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket’s UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Seat Mii and engine code. Every engine supplied through EngineMarket carries a minimum 12‐month unlimited mileage warranty- always confirm exact terms with your chosen supplier.

Replacement Engine Options

Seat Mii Replacement Engine Types

One sentence only. State that every engine type is available through the UK network with typical price ranges based on variant, engine code and budget.

Seat Mii Refurbished EnginesCleaned and repaired units addressing specific known faults. A middle ground between used and reconditioned for targeted repairs.
Typical Price
£800- £1,400
(supply only)
View refurbished Seat Mii engine options
Refurbished

Refurbished engines focus on fixing common failure points like timing chains or EGR valves without a full strip-down. Good for Miis with a known single issue but otherwise healthy internals.

  • Targets specific known weaknesses in VW Group engines.
  • Cheaper than full recon but more reliable than raw used.
  • Quick turnaround for common fault-based repairs.
Typical Price
£800- £1,400
(supply only)
View refurbished Seat Mii engine options

All engine types include a minimum 12‐month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above- enter your registration to get tailored quotes for your specific Seat Mii within hours.

Engine Sizes

Seat Mii Engines by Size- Find the Right Displacement for Your Variant

Explain that every displacement fitted to the model is listed, with compatible engine codes, years and common failure notes.

The 1.0L three-cylinder engine was the standard powerplant for the Mii, offered in both naturally aspirated(MPI) and turbocharged(TSI) forms. Known for efficiency but prone to ignition and water pump issues.

ENGINE CODE(S)CHY, CJZB, CHYB, CZPB
COMPATIBLE MODELS (UK)S, SE, SE Technology, FR
PRODUCTION YEARS2012-2019
Common Failure Points

Ignition coil failure, water pump leaks, timing chain tensioner wear(TSI).

Compare Seat Mii 1.0L petrol engine prices

Not sure which engine size your Seat Mii needs- Enter your registration number above- we’ll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12‐month unlimited mileage warranty from UK Seat Mii specialists.

Fuel Type

Seat Mii Engines by Fuel Type

Choose your Seat Mii engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options- from early 1.0 MPI to the latest 1.0 TSI.

Petrol powers the majority of UK Miis, offering smooth operation and no DPF worries, but requiring attention to ignition coils and water pumps.

Common Seat Mii Petrol Engine Families
CHY/CJZB- 1.0 MPI, simple but prone to coil failures.
CHY/CJZB- 1.0 MPI, simple but prone to coil failures.
CHYB/CZPB- 1.0 TSI, efficient but timing chain watchpoint.
CHYB/CZPB- 1.0 TSI, efficient but timing chain watchpoint.
Found In
2012-2019 All Generations- All petrol codes.
2012-2019 All Generations- All petrol codes.
Known For
Quieter, smoother refinement than diesel equivalents.
Ignition coil failures on early 1.0 MPI units.
Higher fuel costs compared to diesel, especially for 1.0 TSI.
Typical Petrol Models
S 1.0 MPISE 1.0 TSIFR 1.0 TSI
Compare Seat Mii Petrol engine prices

Not sure which fuel type your Seat Mii has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options- all backed by a minimum 12‐month unlimited mileage warranty from UK Seat Mii specialists.

Engine Years

Seat Mii Engines by Year- What Was Fitted& When

Summarise that the section covers all major engine changes across the model's production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.

2012- 2015 - Launch& Early Production: 1.0 MPI& 1.2 TDI
Major Engine Changes2 engine highlights
The first-generation Mii launched with efficient 1.0 MPI petrols and 1.2 TDI diesels, establishing the model’s reputation for practicality and low running costs.
Key Changes
Launch of 1.0 MPI(CHY) petrol engines.
Introduction of 1.2 TDI(CFWA) diesel option.
MQB A0 platform shared with Ibiza and Polo.
Known For
Ignition coil failures in early 1.0 MPI models.
DPF problems in urban-driven 1.2 TDIs.
Solid build quality and spacious interior for class.
Main Engines
CHY- 1.0L petrol(60-75hp)
CFWA- 1.2L diesel(75hp)
Engine Codes Covered
CHYCFWA
Popular Models
Seat Mii S
Seat Mii SE
Seat Mii Style
Common Replacement Enquiries
Seat Mii 1.0 MPI ignition coil
Seat Mii 1.2 TDI DPF
Seat Mii water pump leak
Get quotes for 2012-2015 Seat Mii replacement engines
FAQ

Seat Mii Engine Replacement- Frequently Asked Questions

How much does a Seat Mii engine replacement cost in the UK-

  • Used engines start around £650-£1,100 for 1.0 MPI/TSI.
  • Reconditioned units average £950-£1,650 with warranty.
  • Rebuilt engines cost £1,200-£2,100 for full reliability.
  • Labour for supply and fit is typically £450-£700 extra.
Compare live Seat Mii engine prices now

What is the most common engine code for Seat Mii in the UK-

  • CHY powers the majority of entry-level S/SE models.
  • CHYB is common in SE Technology and FR variants.
  • CFWA is the standard 75hp diesel engine for early models.
  • Always check your VIN to confirm the exact code.
Verify your Seat Mii engine code instantly

Can I fit a different engine code in my Seat Mii-

  • Same-generation swaps are easier than cross-gen.
  • ECU and immobiliser matching is required for all swaps.
  • Manual gearboxes are generally interchangeable within fuel types.
  • Professional installation is strongly recommended.
Speak to a Seat Mii engine specialist

Do Seat Mii replacement engines come with a warranty-

  • Rebuilt engines typically include 12-24 month warranties.
  • Reconditioned units usually have 12 months cover.
  • Used engines may only have 3-6 months warranty.
  • Always confirm if labour is included in the warranty.
View warranty-backed Seat Mii engines

How long does Seat Mii engine replacement take-

  • Stock engines can be dispatched within 24 hours.
  • Non-stock units may take 3-5 days to source.
  • Installation takes 1-2 days at a specialist garage.
  • Coding and testing add half a day to the process.
Book fast-fit Seat Mii engine service

Is a reconditioned Seat Mii engine reliable-

  • Only damaged parts are replaced in recon units.
  • Compression and leak-down tests ensure health.
  • Less expensive than full rebuilds but very reliable.
  • Ideal for mid-mileage Miis needing a fix.
Check reconditioned Seat Mii stock

Should I repair or replace my Seat Mii engine-

  • Major repairs(head gasket, turbo) cost £800+.
  • Rebuilt engines offer like-new reliability for £1,200+.
  • High-mileage engines risk further failures after repair.
  • Replacement includes warranty, repairs often do not.
Get a repair vs replace quote

Can I get finance for a Seat Mii engine replacement-

  • Finance is often available for supply and fit bundles.
  • Credit checks may apply for larger amounts.
  • Spread costs over 3-12 months with some providers.
  • Ask your garage about payment plan options.
Enquire about finance for your engine

Do you supply Seat Mii engines nationwide in the UK-

  • Nationwide delivery via courier or specialist transport.
  • Network of partner garages in most major cities.
  • Collection options available from some breakers.
  • Delivery times vary from 24 hours to 5 days.
Find a supplier near you

How do I find my Seat Mii engine code-

  • Check the service book for a white sticker.
  • Look for a code like CHY on the engine block.
  • VIN decoder tools can identify the code online.
  • Enter your reg above for instant verification.
Decode your Seat Mii engine code

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