2011 Peugeot 407
Browse our directory of 2011 Peugeot 407 vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2011 Peugeot 407 has 3 known issues. 1 of these are classified as serious faults that could be expensive to repair. 2 are moderate concerns worth inspecting before purchase.
2.0 HDi / 1.6 HDi DPF and Eolys Additive Depletion
SeriousPSA's FAP diesel particulate filter system relies on a cerium-based additive fluid (Eolys) stored in a reservoir near the fuel tank, injected automatically during refueling to lower DPF regeneration temperature. In cars used predominantly for short urban trips, DPF regeneration fails to complete, causing soot blockage. Furthermore, once the Eolys fluid depletes (typically around 70,000–80,000 miles), the ECU triggers a persistent 'Depollution System Fault' and limp-home mode.
Symptoms: 'Depollution System Fault' warning message on centre multi-function screen, Engine management light illuminated and car restricted to limp-home mode...
Est. repair cost: £300–£800
Front Double-Wishbone Swivel Ball Joint Wear
ModerateThe 407 employs a decoupled pivot double-wishbone front suspension system that relies on upper and lower swivel pivot pins fitted into spherical ball joints on each hub. Due to the vehicle's heavy front kerb weight and harsh UK road surfaces, the lower hub swivel ball joints experience severe wear and play, often by 50,000 miles. Symptoms include heavy clunking or knocking noises over speed cushions, steering wander on motorways, rapid inner front tyre wear, and frequent MOT test rejections.
Symptoms: Loud knocking or clunking from front wheels over minor road imperfections, Wandering steering feel and reduced straight-line stability on motorways...
Est. repair cost: £200–£450
Dual-Zone Climate Control Heater Flap Shaft Fracture
ModerateDual-zone climate control models suffer from a notorious flaw where the internal plastic drive shaft connecting the temperature blend door to the electric stepper motor snaps inside the heater casing. When the shaft shears, the blend door drops and jams into position, usually resulting in freezing cold air blowing continuously onto the driver while hot air blows on the passenger, or vice versa. Proper repair traditionally required complete dashboard removal and an expensive heater casing replacement.
Symptoms: Driver side blowing ice-cold air while passenger side blows boiling hot (or vice versa), Temperature adjustment buttons change displayed digits but air temperature remains fixed...
Est. repair cost: £350–£900
Buying Tips for the 2011 Peugeot 407
- Listen for harsh knocking from the front suspension over low-speed bumps; front lower swivel hub pivot ball joints are notorious for premature wear
- Test the dual-zone climate control thoroughly on both sides; broken internal blend flaps will result in hot air blowing on one side and cold on the other
- Scan the vehicle computer for Depollution System Fault messages indicating DPF soot saturation, EGR valve clogging, or depleted Eolys additive fluid
- Inspect the power steering reservoir and electro-hydraulic pump for frothing fluid or leaks, which cause heavy or notchy steering feel
- Examine SW estate models for panoramic glass roof shade blind jamming and tailgate split-glass window release switch failure
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