Mazda 6 2.0-2.5 Skyactiv-G Engine ReplacementCompare Prices & Get Quotes
Need a Mazda 6 2.0-2.5 Skyactiv-G engine replacement- Compare quotes from trusted UK Mazda 6 Skyactiv-G engine specialists for reconditioned, rebuilt and used engines. Get free Mazda 6 2.0-2.5 Skyactiv-G engine quotes today and save on specialist supply and fit.
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12-Month Warranty
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Mazda 6 2.0-2.5 Skyactiv-G Engine
from£1,200 to £3,500
Usedfrom £600
Reconditionedfrom £1,200
Common codesPE-VPS (2.0L 165hp), PY-VPS (2.5L 190hp)
Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network
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Variant History
Mazda 6 2.0-2.5 Skyactiv-G Engine History & Specs at a Glance
The third-generation Mazda 6 (GJ/GL) launched in 2012 as the first model to feature Mazda's full Skyactiv technology suite. The Skyactiv-G petrol engine family replaced the older MZR units, offering higher compression ratios (14.0:1 for the 2.0L, 13.0:1 for the 2.5L) with improved fuel economy and performance . The 2.0L was the core UK-market petrol choice, while the 2.5L became available in higher-spec trims from launch.
2012
GJ generation launched with 2.0L Skyactiv-G (PE-VPS, 165hp) and 2.5L Skyactiv-G (PY-VPS, 190hp)
2013
2014 - 2.0L and 2.5L Skyactiv-G offered across SE, SE-L, Sport and Sport Nav trims
2014
Recall issued for 2014-2015 models with i-ELOOP system affecting PCM software
2015
Ignition coil recall affecting 92,448 vehicles including Mazda6 with Skyactiv-G engines
2018
GL facelift introduced; 2.0L Skyactiv-G continues with PE-VPS code, 2.5L turbo (PY-VPTS, 255hp) becomes available for higher trims
Mazda 6 2.0-2.5 Skyactiv-G Engine Problems Repair Cost vs Replacement
The Mazda 6 2.0-2.5 Skyactiv-G petrol engines are generally regarded as reliable and fuel-efficient units. However, as direct-injection petrol engines, they have well-documented weaknesses: carbon buildup on intake valves, ignition coil failures, EGR valve carbon deposits causing misfire, and PCM software issues . Rebuilt engines through EnginesMarket include upgraded components addressing the original failure points, plus a minimum 12-month unlimited-mileage warranty.
Direct injection engines inject fuel directly into the combustion chamber, bypassing the intake valves. Over time, oil blow-by and crankcase ventilation deposits accumulate carbon on the intake valves, leading to restricted airflow, misfires, rough idle, and reduced power . Some discussions note that Mazda DI engines are less plagued by this issue than some competitors, but periodic cleaning is still recommended .
Repair options
Repair tier
Dealer price
Specialist price
Fuel System Service
£150-£300
£80-£150
Walnut Blasting
£700-£1,000
£400-£700
Full Replacement - rebuilt engine
£3,500-£5,500
£2,200-£3,800
Our recommendation
The Skyactiv-G petrol is fundamentally robust, but preventative maintenance is essential. If your Mazda 6 2.0-2.5 Skyactiv-G is approaching 60,000+ miles and you're noticing rough idle or hesitation, consider professional intake valve cleaning (walnut blasting) before considering replacement. This is significantly cheaper than a full engine rebuild and addresses the most common failure point.
In 2015, Mazda recalled 92,448 vehicles with 2.0L and 2.5L Skyactiv-G engines due to ignition coil failures . Under high-temperature conditions, the ignition coils could enter a protection mode, causing one cylinder to stop firing - resulting in engine shaking, loss of power, and the engine warning light illuminating . The recall affected 2013-2015 model year CX-5 and Mazda3 vehicles; a similar issue affected Mazda6 models .
Repair options
Repair tier
Dealer price
Specialist price
Ignition Coil Replacement
Free (if under recall) / £300-£600
£200-£400
Spark Plug Replacement
£150-£300
£80-£150
Our recommendation
Check your Mazda 6 VIN against the 2015 ignition coil recall. The replacement was free for affected vehicles and included updated coils and PCM software . If you're experiencing misfire symptoms and your vehicle wasn't covered, replacing all four coils and spark plugs as a set is recommended.
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EGR Valve Carbon Deposits
Affected
Mazda 6 2.5L Skyactiv-G (2018-2019)
Typical failure mileage
Any mileage
Root cause
Carbon deposits may be pinched at the EGR valve seat, preventing the valve from closing completely. The closed position of the EGR valve is learned improperly as it is not equipped with a position sensor. While idling, EGR gas improperly mixes with fresh air, causing misfire and DTC P0300 . PCM reprogramming resolves the issue.
Repair options
Repair tier
Dealer price
Specialist price
PCM Reprogramming
Free (if under recall) / £100-£200
N/A (dealer/ECU specialist only)
EGR Valve Cleaning/Replacement
£300-£600
£200-£400
Our recommendation
If your 2018-2019 Mazda 6 2.5L Skyactiv-G experiences rough idle at start, have the PCM checked for updated software. The recall fix reprograms the PCM to force learning of the closed position of the EGR valve when a misfire is detected at idle .
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i-ELOOP PCM Software Issue (2014-2015)
Affected
Mazda 6 2.0-2.5 Skyactiv-G with i-ELOOP (2014-2015)
Typical failure mileage
Any mileage
Root cause
The PCM may incorrectly determine that there is a failure of the system energy storage capacitor when the vehicle is operating under heavy rain or through deep puddles. The charging system may stop operating, draining the battery and eventually causing the engine to stop .
Repair options
Repair tier
Dealer price
Specialist price
PCM Reprogramming
Free (if under recall)
N/A
Our recommendation
Check your Mazda 6 VIN for the i-ELOOP recall. The inspection and repair will be performed free of charge, and may take approximately half an hour to complete .
Don't Let Engine Failure Write Off Your Mazda 6 2.0-2.5 Skyactiv-G
The Skyactiv-G petrol engine is generally robust, but direct injection carbon buildup, ignition coil issues, and EGR valve problems can cause significant issues over time . Preventative maintenance - including walnut blasting at 60,000-80,000 miles and checking for outstanding recalls - can extend your engine's life. If you're facing a major repair, compare rebuilt and used engine prices through our specialist network. Enter your registration now for free, no-obligation quotes tailored to your exact Mazda 6 2.0-2.5 Skyactiv-G.
Everything Mazda 6 2.0-2.5 Skyactiv-G owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.
A Mazda 6 Skyactiv-G engine replacement typically costs £600-£1,400 for a used PE-VPS unit, £1,400-£2,200 for reconditioned, and £2,200-£3,800 for a rebuilt engine with 12-month warranty [ESTIMATED]. Specialist fitting costs add £500-£800. The Skyactiv-G petrol engines use a timing chain, so no timing belt replacement interval applies .
The Skyactiv-G petrol engines are generally regarded as reliable and fuel-efficient, with many owners reporting 200,000+ miles with regular maintenance. However, as direct injection engines, carbon buildup on intake valves is a well-documented issue that requires preventative maintenance . A 2015 ignition coil recall affected 92,448 vehicles with 2.0L and 2.5L Skyactiv-G engines . A 2018-2019 EGR valve carbon deposit misfire recall affected Mazda6 2.5L models . With regular maintenance and the recalls addressed, the Skyactiv-G is a durable unit.
Reliable with proper maintenance
Carbon buildup is the main long-term issue
2015 ignition coil recall and 2018-2019 EGR recall issued
The Mazda 6 2.0-2.5 Skyactiv-G uses a timing chain, not a belt . The chain is designed for the life of the engine with proper servicing. There's no scheduled replacement interval, but regular oil changes with the correct specification are essential for timing chain longevity - lack of lubrication can cause chain stretch and tensioner issues .
Common signs of carbon buildup on intake valves include rough idle, hesitation on acceleration, reduced power, misfire codes (P0300-P0304), and poor fuel economy . The Skyactiv-G is susceptible to carbon buildup due to its direct injection design . Professional walnut blasting is the most effective solution, typically costing £400-£700 at an independent specialist.
With 2012-2025 Mazda 6 2.0-2.5 Skyactiv-G values ranging from £4,000-£20,000, a rebuilt engine at £2,200-£3,800 represents 15-50% of the vehicle's value [INDUSTRY ESTIMATE]. The Mazda 6's strong retained values make a rebuilt engine generally viable. For older high-mileage GJ models valued under £4,500, a used engine may be the more sensible choice.
Compare Mazda 6 2.0-2.5 Skyactiv-G engine replacement quotes from trusted UK specialists. Whether you need a used PE-VPS, a reconditioned unit, or a fully rebuilt engine with 12-month warranty, our network delivers competitive pricing across the UK. Enter your registration now for free, no-obligation quotes tailored to your exact Mazda 6 2.0-2.5 Skyactiv-G - with supply and fit options available nationwide.
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