Peugeot 308 1.6 THP Engine ReplacementCompare Prices & Get Quotes

A rebuilt Peugeot 308 1.6 THP engine typically costs **£1,300-£2,800** supply-only, depending on power output and supplier. EP6DT 150hp units start around **£1,300**, EP6CDT 156hp units from **£1,400**, and 5FY 175hp units range **£1,600-£2,800**. Used engines start from **£650**. Supply & fit adds **£400-£900** labour. Main dealer replacement can exceed **£4,500**. Replacement costs can reach **£2,500-£3,500** when major internal damage occurs.

• Rebuilt EP6DT 150hp: £1,300-£2,400
• Rebuilt EP6CDT 156hp: £1,400-£2,500
• Rebuilt 5FY 175hp: £1,600-£2,800

The most common Peugeot 308 1.6 THP (Prince engine) problems are **timing chain stretch and tensioner failure** causing cold-start rattle (reported as early as 27,500 miles), **high-pressure fuel pump (HPFP) failure** causing hard starting and misfires, **carbon buildup on intake valves** from direct injection, and **turbocharger oil feed line leaks**. Excessive oil consumption - over 1 litre per 1,000 miles - is a common symptom of timing chain wear. The 5FY 175hp variant is particularly susceptible to HPFP failure and timing chain guide wear.

• Timing chain rattle on cold start (common from 27,500-80,000 miles)
• HPFP failure causing hard starting and misfires
• Carbon buildup causing rough idle and power loss
• Oil consumption (1L/1,000 miles) often a sign of timing chain wear

Replacing a Peugeot 308 1.6 THP engine is worthwhile if the vehicle is otherwise sound and the replacement cost stays below the vehicle's value. With 308 1.6 THP values typically **£2,000-£6,000**, a rebuilt engine at **£1,300-£2,800** represents a significant investment but often makes sense for well-maintained GT and Feline examples. For sub-£2,500 examples, a used engine from £650 may be more economical. With replacement costs reaching **£2,500-£3,500** when major internal damage occurs, specialist rebuilt units offer competitive value.

• Rebuilt EP6DT 150hp: £1,300-£2,400
• Rebuilt 5FY 175hp: £1,600-£2,800
• Dealer replacement: £2,800-£4,500+

With proper maintenance, the Peugeot 308 1.6 THP (EP6DT/5FY) engine can reach **100,000-130,000 miles**. However, HPFP failure can appear as early as **50,000 miles**, and timing chain issues from **27,500-80,000 miles**. Regular oil changes with correct 0W-30 fully synthetic oil, timely timing chain replacement and HPFP monitoring are essential for longevity.

• Timing chain inspection recommended from 40,000 miles
• HPFP failure common from 50,000 miles
• Carbon cleaning recommended every 40,000-60,000 miles
• Regular oil changes with 0W-30 fully synthetic critical for chain health

The 1.6 THP 150 (EP6DT, 5FX) produces **150hp** and was fitted to GT and Sport trims. The 1.6 THP 175 (5FY, EP6DTS) produces **175hp** and was fitted to Feline and high-spec trims. Both use the same 1.6L Prince architecture, but the 5FY has a higher-output calibration and more aggressive engine mapping. The 5FY is also more susceptible to HPFP failure and timing chain guide wear due to higher cylinder pressures. Both engines share the same timing chain vulnerabilities and oil consumption issues.

• EP6DT 150hp: 150hp, GT/Sport trims
• 5FY 175hp: 175hp, Feline/high-spec trims
• 5FY more powerful but more vulnerable to HPFP and timing chain issues

Your Peugeot 308 1.6 THP engine code is **EP6DT (5FX)** for 150hp models, **EP6CDT (5FV)** for 156hp models, or **5FY (EP6DTS)** for 175hp models. It appears on the VIN plate under the bonnet, stamped on the engine block, or on your V5C registration document section D.2. The engine ECU is Bosch MED17.4. Enter your reg above for instant verification.

• VIN plate under bonnet shows engine code
• V5C section D.2 lists the official engine code
• EP6DT / 5FX = 1.6L THP 150; 5FY / EP6DTS = 1.6L THP 175; EP6CDT / 5FV = 1.6L THP 156