Renault Megane 1.9 dCi Engine Replacement Compare Prices & Get Quotes

A Renault Megane 1.9 dCi F9Q engine replacement typically costs £1,200-£2,700 supply-only for a rebuilt unit, with used engines from £500 and reconditioned from £1,000. Total fitted cost adds 8-12 hours of labour at specialist rates (£55-£75/hr) or dealer rates (£100-£150/hr).

• Rebuilt supply-only: £1,200-£2,700 [ESTIMATED]
• Supply & fit specialist total: £1,700-£3,600
• Main dealer supply & fit: £2,500-£4,500

The most common signs of turbo failure in the F9Q engine are loss of power, black smoke from the exhaust, a whistling or whining noise, increased fuel consumption, and in severe cases, the engine management light illuminating. If the turbo has failed catastrophically, you may hear a loud grinding noise and the engine may lose all power.

• Loss of power and black smoke are the classic symptoms
• Whistling or whining noise indicates bearing wear
• Catastrophic failure can send debris through the engine

This depends on your Megane 1.9 dCi's overall condition and market value. For a well-maintained Megane III (worth £4,000-£6,000), a rebuilt engine at £1,200-£2,700 is viable, especially with the 12-month warranty. For an older Megane II example worth under £2,000, a used engine (£500-£1,000) or targeted repairs (turbo, injectors) may be more cost-effective.

• Vehicle worth under £2,000: consider used engine or repair
• Vehicle worth £4,000+: rebuilt engine with warranty is sensible
• Factor in overall condition - bodywork, suspension, interior wear

A Renault Megane 1.9 dCi engine replacement typically takes 2-3 working days for a specialist workshop, including removal of the old F9Q unit, fitting the replacement, and road testing. Main dealers may quote 3-5 days due to scheduling and OEM parts ordering.

• Supply-only delivery: next-day available across the UK
• Supply & fit: book a slot with your nearest specialist
• Express fitting available in some regions

The F9Q 800 was fitted to the Megane II (2002-2005) producing 120bhp with Euro 3 emissions. The F9Q 872 was introduced with the Megane III (2009-2015) producing 130bhp with Euro 4 emissions and improved ECU calibration. Both share the same 1,870cc displacement, SOHC 8-valve architecture, and common failure points - turbocharger, injectors, and timing belt.

• F9Q 800: Megane II, 120bhp, Euro 3
• F9Q 872: Megane III, 130bhp, Euro 4
• Both require the same preventative maintenance - timing belt every 5 years/72k

Used engines are cost-effective (£500-£1,000) but come with unknown service history and no warranty beyond the supplier's standard 30-90 days - risk of the same turbo, injector, or timing belt issues reoccurring. Rebuilt engines (£1,200-£2,700) include new turbocharger, injectors, timing belt, water pump, piston rings, bearings, and a 12-month unlimited-mileage warranty, offering peace of mind for long-term ownership.

• Used: best for low-budget repairs on lower-value Meganes
• Rebuilt: best for long-term ownership (2+ years) and higher-value examples
• Always confirm what components were replaced in a rebuilt unit