Mitsubishi ASX 1.6 (4A92) Engine ReplacementCompare Prices & Get Quotes
Find trusted UK Mitsubishi ASX 1.6 petrol engine specialists and compare prices on reconditioned, rebuilt and used 4A92 units. Enter your registration to get instant quotes today from our vetted nationwide supplier network.
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From £1,200 to £2,200
Used from £400 · Reconditioned from £900 · Common codes: 4A92
From £400
Tested, bare/short engine
From £900
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Mitsubishi ASX 1.6 (4A92) Replacement Engineto Finding the Best Mitsubishi ASX 1.6 (4A92) Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryMitsubishi ASX 1.6 (4A92) - Engine History & Specs at a Glance
The Mitsubishi ASX 1.6 (4A92) launched in 2010 as the entry-level petrol option in the ASX range, powered by the 1.6-litre MIVEC four-cylinder engine. This naturally aspirated unit remained largely unchanged across the model's full 2010-2024 production run, with only minor emissions updates.
Variant HistoryMitsubishi ASX 1.6 (4A92) - Engine History & Specs at a Glance
The Mitsubishi ASX 1.6 (4A92) launched in 2010 as the entry-level petrol option in the ASX range, powered by the 1.6-litre MIVEC four-cylinder engine. This naturally aspirated unit remained largely unchanged across the model's full 2010-2024 production run, with only minor emissions updates.
Mitsubishi ASX 1.6 (4A92)
Fuel TypePetrol
Engine Size Range1.6L (1,590cc)
Power Output Range116-117hp across the variant's historyEngine History Timeline
4A92 1.6-litre MIVEC petrol engine introduced with 117 hp and timing chain drive
Minor emissions calibration update
Euro 6 compliance update for ULEZ-affected markets
Final engine calibration update; UK sales continued until 2024
Key Specs Snapshot
Fuel TypePetrolEngine Size Range1.6L (1,590cc)Power Output Range116-117hp across the variant's historyYears Produced2010-2024 (UK)Every engine fitted to the Mitsubishi ASX 1.6 is covered below, with UK rebuilt pricing and known failure points.
Mitsubishi ASX 1.6 (4A92) Engine Codes - Specifications & Replacement CostMitsubishi ASX 1.6 (4A92) Engine Codes - Specifications & Replacement Cost
1.6L Petrol MIVEC (2010-2024)
Power Output117 hp (86 kW)Years Fitted2010-2024Displacement1,590 ccFuel SystemMulti-point injectionEngine LayoutTransverse, front-wheel drive (also available with 4WD in some markets)
Compatible Trim Levels
- ASX 2
- ASX 3
- ASX 4
- ASX ZC
- ASX ZC-M
- ASX Juro
- ASX Black
- ASX Attivo
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£400-£900
Reconditioned
Addressed known issues, tested
£900-£1,800
Rebuilt
Full teardown, upgraded internals
£1,200-£2,200
Common Failure
Timing chain stretch and tensioner wear - the 4A92's timing chain can show wear from around 80,000-120,000 miles, with cold-start rattle being the primary early warning sign . No hydraulic lifters means valve clearance adjustment is required at higher mileages . Oil consumption from piston ring wear is also reported .
The Mitsubishi 4A92 1.6 petrol engine is a durable unit with a chain-driven valvetrain that can achieve around 250,000 km with proper maintenance . However, it has some well-documented weaknesses - timing chain wear, oil consumption, and oil starvation risks are the primary failure points that drive replacement decisions for ASX 1.6 owners. Rebuilt 4A92 engines through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the Mitsubishi ASX 1.6 (4A92) Chain Wears Prematurely
Affected Vehicles
Mitsubishi ASX 1.6 (4A92, 2010-2024)
Typical Failure Mileage
80,000-120,000 miles (critical issues at 120,000-150,000 miles)
Root Cause
The timing chain, tensioner and guides rely on clean, correct-spec engine oil. Extended oil change intervals, oil sludge, or using incorrect viscosity can accelerate wear. Symptoms include rattling at cold start, rough idle, and check engine lights with cam/crank correlation faults (e.g., P0016/P0017) .
Why It Happens
The timing chain, tensioner and guides rely on clean, correct-spec engine oil. Extended oil change intervals, oil sludge, or using incorrect viscosity can accelerate wear. Symptoms include rattling at cold start, rough idle, and check engine lights with cam/crank correlation faults (e.g., P0016/P0017) .
Dealer (parts + labour)
£200-£350
Specialist (parts + labour)
£100-£200
What it involves
Oil and filter change with correct 5W-30 spec; chain tensioner inspection; guide condition check
Suitability
For high-mileage 4A92 units (80k+ miles) with no symptoms yet
1 - 2 daysDealer (parts + labour)
£900-£1,600
Specialist (parts + labour)
£600-£1,200
What it involves
Replace chain, tensioner, guides, and related seals in one go; secondary balance-shaft chain also inspected
Suitability
For 4A92 with rattle on cold start; catches wear before catastrophic failure
1 - 2 daysDealer (parts + labour)
£2,200-£4,200
Specialist (parts + labour)
£1,200-£2,200 (matches Section 4 rebuilt figure)
What it involves
Supply & fit, upgraded chain components addressing the original failure point, 12-month warranty
Suitability
For 4A92 where chain has snapped or caused valve/piston damage
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Preventative - chain inspection & oil service Minor | £200-£350 | £100-£200 | Oil and filter change with correct 5W-30 spec; chain tensioner inspection; guide condition check | For high-mileage 4A92 units (80k+ miles) with no symptoms yet | 1 - 2 days |
 Timing chain replacement - full set Best Value | £900-£1,600 | £600-£1,200 | Replace chain, tensioner, guides, and related seals in one go; secondary balance-shaft chain also inspected | For 4A92 with rattle on cold start; catches wear before catastrophic failure | 1 - 2 days |
Full Replacement - rebuilt/reconditioned engine Best Value | £2,200-£4,200 | £1,200-£2,200 (matches Section 4 rebuilt figure) | Supply & fit, upgraded chain components addressing the original failure point, 12-month warranty | For 4A92 where chain has snapped or caused valve/piston damage | 1 - 2 days |
Our Recommendation
Our Recommendation
[2-3 honest sentences, specialist voice, not salesy] If your 4A92 has the characteristic cold-start rattle but no performance loss, replacing the timing chain set is the smarter financial move - catch it early and you'll get another 80,000+ miles from the engine. If the chain has already snapped or you've got rod knock from oil starvation, a rebuilt unit with upgraded components and full warranty is a better long-term investment than a patch-up repair on an already-compromised bottom end.
Don't Let Timing Chain Wear Write Off Your Mitsubishi ASX 1.6
A rebuilt 4A92 engine through EnginesMarket comes with upgraded components addressing the original timing chain wear, piston ring, and oil consumption issues - plus a minimum 12-month unlimited-mileage warranty on every unit. Compare genuine UK specialist prices today, not dealer premiums.
Compare rebuilt 4A92 Mitsubishi ASX 1.6 engine prices
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Mitsubishi ASX 1.6 (4A92) Engine ReplacementFrequently Asked Questions
Question 1How much does a Mitsubishi ASX 1.6 engine replacement cost-
A rebuilt 4A92 engine supply-only typically costs £1,200-£2,200, with used units from £400-£900 and reconditioned from £900-£1,800 [ESTIMATED - using nearest-family proxy 2ZR-FE 1.8 from Table A]. Fitted costs add £390-£650 labour at an independent specialist, bringing the total to £1,500-£2,800 for a fitted rebuilt engine.
-> Compare Mitsubishi ASX 1.6 engine pricesQuestion 2What are the signs of timing chain failure in a Mitsubishi ASX 1.6-
The most common early warning is a rattling noise on cold start that lasts 1-2 seconds, caused by a worn hydraulic tensioner . As wear progresses, you may notice rough idle, poor fuel economy, sluggish performance, or a check engine light with cam/crank correlation codes (P0016/P0017) .
- Rattling at cold start that persists more than a few seconds
- Metallic debris in the oil during service
- Check engine light with timing correlation faults
Question 3Is it worth replacing the engine in a Mitsubishi ASX 1.6-
For a 2014-2019 ASX 1.6 valued at £5,000-£14,000 , a rebuilt engine at £1,200-£2,200 supply-only (£1,500-£2,800 fitted) is typically well within the vehicle's value. For very early 2010-2013 examples valued under £4,000, a used engine is often more cost-effective than a rebuilt unit.
-> Get a Mitsubishi ASX 1.6 engine valuation and quoteQuestion 4How long does a Mitsubishi ASX 1.6 engine replacement take-
A typical 4A92 engine replacement takes 7-10 hours of labour at an independent specialist [estimated from standard 1.6-litre transverse four-cylinder fitting time]. Supply-only engines are usually delivered within 3-5 working days, with supply-and-fit turnaround typically 3-5 days from booking to collection.
-> Book your Mitsubishi ASX 1.6 engine replacementQuestion 5What's the difference between the Mitsubishi ASX 1.6 and the 2.0 petrol-
The 2.0-litre petrol (4B11) produces 147 hp, while the 1.6 (4A92) produces 117 hp . The 4A92 is more fuel-efficient (up to 48.7 mpg combined) and carries a lower insurance group, but the 4B11 offers significantly more performance . Both use timing chains, but the 4A92's timing chain is a more common replacement item at high mileage.
-> Compare Mitsubishi ASX 1.6 and 2.0 engine pricesQuestion 6What is the Mitsubishi ASX 1.6 4A92 engine lifespan-
With regular oil changes using 5W-30 and timely attention to timing chain wear, the 4A92 can achieve 150,000-200,000 miles . Oil consumption from piston ring wear typically becomes noticeable after 100,000 miles, and timing chain wear often requires attention between 80,000-150,000 miles.
-> Get a 4A92 replacement quoteWhy Choose UsCompare Mitsubishi ASX 1.6 (4A92)Engine PricesToday
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