IS 220d 2AD-FHV, known issues

XE20 · 2005–2012 · R4 High risk

Recorded issues3
Walk-away1
Over €1,0003
Checkable at viewing0/3
Likely spend€4,550

Likely spend is the mid cost of every issue rated common or universal, added together, what an unmaintained example owes over the next few years, not a prediction for any one car. Worst case if everything here failed at once is €7,300, which isn't a realistic scenario but is a useful ceiling.

All issues, by system

Engine

Cylinder head distortion and coolant loss (IS 220d)2AD-FHV 2.2 D-CAT€2,500–€4,500
Coolant vanishing without a visible leak, temperature rising under load, and eventually overheating and white smoke. The same head distortion as the Toyota 2.2, on the higher-output version fitted to the IS. Lexus and Toyota extended warranty coverage in several markets, so documented head work is the thing that decides the car.
Check: Ask for head or warranty paperwork first, then check the coolant level and the expansion tank for residue. Unexplained top-ups should be treated as the fault.
Later parts: Revised cylinder head fitted under warranty programmes and in later production
EnginecommonPartly detectablewalk away without proofevidence: manufacturer100–200k km

Emissions

Warning light, limp mode, oil level rising above the maximum mark from fuel dilution. The filter needs sustained hot running to regenerate. A car used for short urban trips never completes a regeneration cycle.
Check: Read the DPF soot load and the distance since the last regeneration on a scan tool, and check the engine oil level and smell it for diesel. Ask what the car was used for. A short-trip city diesel is the wrong car regardless of mileage.
EmissionscommonPartly detectableevidence: documented120–250k km
EGR cooler leakEGR cooler€400–€1,000
Coolant loss with no visible external leak, white smoke, sweet smell. The EGR cooler cracks internally and leaks coolant into the intake. BMW recalled affected diesels over a fire risk from glycol deposits igniting.
Check: Check coolant level and look for unexplained top-ups in the service history. Verify the recall was carried out. It's free and searchable by VIN.
EmissionsoccasionalPartly detectableevidence: manufacturer120–250k km

How to read this

Every issue is authored once against the part that actually carries it: the engine, the gearbox, the chassis or a shared component, and inherited by every variant that has that part. The badge next to each issue says where it comes from, so you can tell an 2AD-FHV problem from an E9x problem.

Evidence tiers. Manufacturer means a recall, technical bulletin or revised part number. Documented means workshop data or multiple independent sources. Reported means owner consensus with no hard confirmation, and never sets a risk level on its own.

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