1.2 PureTech problems: what fails, what it costs, should you buy one

Stellantis (PSA) · Petrol · 2012-2025

Engine codes: EB2, EB2DT, EB2DTS

The 1.2 PureTech is the three-cylinder petrol engine in millions of Peugeot, Citroën, DS and Opel/Vauxhall cars since 2012. On the belt-driven versions the timing belt runs in engine oil and can break down early, and the debris can block the oil pickup and the brake vacuum pump; some turbo versions also burn too much oil. Stellantis shortened the belt interval and runs an extended-cover programme for these faults. A well-serviced example with proof of belt work is a reasonable buy; one with a patchy history is a gamble.

At a glance

Displacement: 1.2 L (1,199 cc), 3 cylinders
Versions: Naturally aspirated about 75-83 hp; turbo about 100-155 hp
Timing drive: Oil-bathed (wet) belt; chain on the third generation from 2023
Belt interval: Cut to 6 years or 100,000 km from the original 10 years or 175,000 km; the service booklet has the exact figure
Oil: PSA B71 2290 or B71 2312 specification
Weak spots: Belt debris in the oil, loss of oil pressure, oil consumption, brake vacuum pump

Cars with this engine

Make	Models	Years
Peugeot	108, 208, 2008, 308, 3008, 5008, Rifter	2012-2025
Citroën	C1, C3, C3 Aircross, C4 Cactus, C4, C5 Aircross, Berlingo	2014-2025
DS	DS 3 (Crossback), DS 4, DS 7	2015-2025
Opel/Vauxhall	Corsa, Crossland, Grandland, Mokka, Astra, Combo	2017-2025
Jeep	Avenger	2023-2025

Known problems

Wet timing belt breaking down in the oil

What happens

The timing belt runs inside the engine, bathed in oil. Short trips and cold running let fuel dilute the oil, and aged or diluted oil attacks the belt's rubber, which swells and sheds its coating. The loose rubber ends up in the oil sump and on the oil pump strainer.

Symptoms

Often none at first: the belt looks grey, rough or frayed through the oil filler instead of smooth and black
Engine warning light with camshaft timing codes
Rough running or hesitation as the belt stretches and timing drifts
Rubber flakes found in the sump or oil filter at a service

When

Often well before the original 175,000 km interval; cars used for short trips or serviced late are most exposed

Fitted cost

from €600 to €1,500

The fix

New belt kit with the oil pump strainer cleaned or replaced, a new oil filter and the correct-spec oil; Stellantis now prescribes a belt check at every service and a shorter 6-year or 100,000 km change interval. Stellantis states that previous-generation 1.0 and 1.2 PureTech engines get 100% parts-and-labour cover for up to 10 years or 180,000 km (112,000 miles), whichever comes first, for an oil pressure problem caused by premature belt degradation, depending on production date, provided the car was serviced to the maintenance plan and the diagnosis and repair are done in the brand's authorised network.

Related fault codes

P0016 P0017 P0011 P0014

Sources: peugeot.co.uk, media.stellantis.com, largus.fr, largus.fr, pmmonline.co.uk

Loss of oil pressure from a blocked oil pickup

What happens

When enough belt debris collects on the oil pump strainer, the pump cannot draw oil and pressure falls. The engine then runs short of lubrication, which can wreck bearings, the turbo and the camshafts within a short distance.

Symptoms

Red oil pressure warning or a stop message, sometimes only at hot idle at first
Ticking or knocking from the engine
Warning light with oil pressure or camshaft timing codes
Engine failure if the car keeps being driven

When

Follows an untreated belt breakdown; the longer the belt problem goes unnoticed, the higher the risk

Fitted cost

from €2,000 to €6,000

The fix

Stop the engine immediately. If caught early: belt kit, strainer and oil service. If the engine has run without pressure: engine repair or a replacement engine. Stellantis states that its extended cover (10 years or 180,000 km, whichever comes first, subject to its maintenance conditions and production-date scope) includes oil pressure problems resulting from premature belt degradation.

Related fault codes

P0521 P0520 P0011 P0016

Sources: peugeot.co.uk, media.stellantis.com, pmmonline.co.uk, en.wikipedia.org

Brake vacuum pump starved by belt debris

What happens

The pump that makes vacuum for the brake servo is lubricated by the engine oil, and belt debris can clog its fine strainer and ruin it. The brakes still work, but without assistance the pedal goes hard and stopping distances grow. Stellantis recalled belt-era turbo engines built between roughly 2013 and 2018 to update the brake-assist diagnostics software and measure the belt.

Symptoms

Hard brake pedal, especially after the engine has been idling
Longer stopping distances
Brake or brake-assist warning on the dashboard on cars with the updated software

When

Alongside belt degradation; the recalled turbo engines were built between roughly 2013 and 2018

Fitted cost

from €800 to €1,500

The fix

Stop driving and have it inspected. The recall work was a software update plus a belt-width check, with belt, vacuum pump and oil strainer replacement if the belt failed the check; this is priced as a complex timing-belt job, and the vacuum pump itself adds to the parts bill. Recall work is free at a brand dealer.

Sources: largus.fr, largus.fr, pmmonline.co.uk

High oil consumption

What happens

On turbo engines built about 2014 to 2018 (Euro 6.1), carbon deposits from urban use foul the piston rings, which stick and let oil into the cylinders. On engines built about 2018 to 2023 (Euro 6.2 and 6.3), Stellantis traced the problem to a faulty oil separator. Burning oil fouls the spark plugs and, left alone, runs the level low, which also starves the belt-era engine of oil.

Symptoms

Oil level dropping between services; Stellantis treats more than about 0.3 L per 1,000 km as excessive
Blue smoke at start-up or on hard acceleration
Misfires and a flashing or steady engine warning light
Low oil level warning

When

Turbo engines built about 2014 to 2018 (piston rings) and about 2018 to 2023 (oil separator), mostly on cars used for short urban trips

Fitted cost

from €150 to €500

The fix

Stellantis's workshop fix starts with a piston-ring cleaning treatment and new spark plugs, or a new oil separator on the later engines. If that fails, the pistons or the short engine are replaced, which costs as much as an engine repair (€2,000-6,000+). Stellantis states its extended cover (10 years or 180,000 km, whichever comes first, subject to its maintenance conditions and production-date scope) also applies to excessive oil consumption on previous-generation 1.0 and 1.2 PureTech engines.

Related fault codes

P0300 P0301 P0302 P0303 P0420

Sources: largus.fr, peugeot.co.uk, media.stellantis.com, largus.fr

What an OBD2 reader can and cannot show

A generic OBD2 reader can show

Stored and pending engine fault codes, including camshaft timing codes (P0011, P0014, P0016, P0017), oil pressure sensor codes (P0520, P0521) and misfire codes (P0300 to P0303)
Freeze-frame data saved with each code: engine speed, load and coolant temperature at the moment the fault set
Short- and long-term fuel trims, engine speed and coolant temperature as live data
Readiness monitors: several incomplete monitors on a used car can mean the codes were cleared just before the sale

Needs manufacturer-level software

Timing belt condition or width: only a visual check through the oil filler or a workshop belt measurement shows it
Oil dilution or oil quality: it needs an oil analysis
Oil level and oil consumption: use the dipstick and the service history
Actual oil pressure as a live value: there is no standard OBD2 reading for it on these engines
Brake vacuum pump and brake-assist faults: they live outside the engine codes a generic reader sees
Whether recall or belt-check work was done: ask a brand dealer with the VIN

Buying checklist

Ask for invoices for every service: on-time oil changes with oil to PSA B71 2290 or B71 2312 spec, and no stretched intervals
Look for proof of a belt check or belt change at the revised 6-year or 100,000 km interval, ideally with the oil pump strainer cleaned or replaced
Check the oil level on the dipstick with the engine cold on level ground; a low level or a seller who tops up often points to oil consumption
With a torch, look at the belt through the oil filler: smooth and black is good, grey, rough or frayed is a walk-away sign
With the engine running, press the brake pedal several times: a hard pedal or a brake warning means the vacuum pump needs checking
After a test drive, let it idle hot and watch for the oil pressure warning and listen for ticking
Read the codes and readiness monitors with an OBD2 reader; incomplete monitors on a car that has not had a battery change are a warning sign
Give the VIN to a Peugeot, Citroën, DS or Opel/Vauxhall dealer to confirm recall work and eligibility for the manufacturer's PureTech programme

Checking a car with this engine?

The Skanyx pre-purchase check guides you through 15 minutes at the seller's car and gives a 0-100 score, a Buy, Negotiate or Walk Away verdict, and what the repairs should cost.

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Frequently asked questions

Which PureTech engines should you avoid?

The highest risk is the belt-driven 1.2 built roughly between 2014 and 2022, and the turbo versions built about 2014 to 2018 for oil consumption. Later belt engines use a revised belt and a shorter change interval, and the third-generation engine from 2023 uses a chain. History matters more than the year: a belt-era car with full invoices and a recent belt check is a safer buy than a newer one with gaps.

Is the 1.2 PureTech a reliable engine?

It is economical and pleasant to drive, but the wet timing belt and the oil consumption problems make it sensitive to how it is used and serviced. Cars driven mostly on short trips and serviced late are the ones that fail. Regular oil changes with the correct oil and on-time belt checks are what keep it healthy.

When should the PureTech timing belt be changed?

Stellantis cut the interval from the original 10 years or 175,000 km to 6 years or 100,000 km, whichever comes first, and added a belt check at every service. The exact figure for a given car is in its service booklet. Change it sooner if a check shows wear.

How much oil does a 1.2 PureTech burn?

A healthy engine should need little or no oil between services. Stellantis treats more than about 0.3 litres per 1,000 km as excessive and starts its repair procedure above that. Check the dipstick every few weeks, because a low level also harms the belt-driven engine.

Can an OBD2 scanner tell if the PureTech belt is failing?

Not directly. A generic OBD2 reader shows camshaft timing, oil pressure sensor and misfire codes once the problem affects how the engine runs, plus freeze-frame data and fuel trims. The belt's condition itself needs a look through the oil filler or a workshop belt measurement.

Does the new 1.2 engine still have a wet belt?

The third-generation engine, launched in 2023 in the DS 3 and Opel Mokka and used in the 48V hybrid and some Turbo 100 versions, has a timing chain. Some models kept the belt-driven engine for a while alongside it, so check the exact engine of the car you are looking at.

Sources

Last updated: 2026-09-25