1.6 THP (EP6)
2009–2016 · petrol · 1598cc · 156hp
Engine codes: EP6, EP6DT, EP6CDT, 5FV
Reliability, common problems and owner reviews for the Peugeot 5008 1.6 THP (EP6). Check this before you buy used.
The 1.6 THP (PSA-BMW 'Prince' EP6) gives the 5008 pace but is one of the era's more troublesome petrols, especially working hard in a seven-seat MPV: timing-chain stretch/tensioner failure, heavy direct-injection intake-valve carbon, and high-pressure-pump / oil-consumption issues. A documented car with chain done and decarbon history can be fine, but an unknown-history one is a gamble — the diesels are the smarter 5008 choice.
Same engine, other cars
This is the same physical engine (EP6) sold under different names across brands. Reliability is broadly shared — cross-check these:
- Peugeot 3008— 1.6 THP / VTi (EP6, Prince)156hp
- Citroën C4— 1.6 VTi / THP (EP6, Prince)150hp
- Citroën C3— 1.6 VTi / THP (EP6, Prince)120hp
- Citroën Berlingo— 1.6 VTi (EP6)120hp
- Mini Hatch— Cooper / Cooper S (1.6 EP6)175hp
- Peugeot 508— 1.6 THP (EP6CDT)156hp
- Peugeot 207— 1.6 VTi / THP (EP6, Prince)150hp
- Peugeot 308— 1.6 THP (EP6DT / EP6CDT, turbo)150hp
- Peugeot 308— 1.6 VTi (EP6, naturally aspirated)120hp
- Citroën C4 Picasso— 1.6 THP / VTi (EP6)156hp
Known Issues
EP6 chain stretches and tensioner can fail → rattle, then jump and valve damage.
Fix / Workaround: Cold-start rattle check; replace chain + tensioner; strict oil.
Repair cost: €600–€1800
Typically appears after: 90,000 km
DI intake-valve carbon; HP pump and oil consumption.
Fix / Workaround: Walnut-blast intake; monitor oil; replace HP pump.
Repair cost: €250–€900
Typically appears after: 80,000 km
Mileage Thresholds
After 100,000 km: Chain + carbon risk window.
Pre-Purchase Checklist
- ☐Cold-start chain rattle — high priority
- ☐Decarbon history
- ☐Diesels are the smarter choice
Frequently asked questions
Is the Peugeot 5008 1.6 THP (EP6) reliable?
Problematic — The 1.6 THP (PSA-BMW 'Prince' EP6) gives the 5008 pace but is one of the era's more troublesome petrols, especially working hard in a seven-seat MPV: timing-chain stretch/tensioner failure, heavy direct-injection intake-valve carbon, and high-pressure-pump / oil-consumption issues. A documented car with chain done and decarbon history can be fine, but an unknown-history one is a gamble — the diesels are the smarter 5008 choice.
What are the common problems and reviews for the Peugeot 5008 1.6 THP (EP6)?
The most commonly reported problems: Timing chain stretch / tensioner, Intake carbon / HP pump.
Is a used Peugeot 5008 1.6 THP (EP6) worth buying?
Known design issues and recurring faults that were never fully resolved. Buy only with eyes open.