Used car guide

2006 Fiat Doblo diesel: common problems and MOT failures

What MOT testers find on the diesel Fiat Doblo first registered in 2006 (diesel cars only): we looked at the 4,113 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

4,113MOTs of 2006 diesel cars, done in 2023–2025
53%pass first time (all 2006 cars: 56%)
6,400typical miles a year
2.4×the usual rate for windscreen

What goes wrong more than usual on a 2006 Fiat Doblo diesel?

Parts flagged at MOT more often on the 2006 Fiat Doblo diesel than on all cars registered in 2006.

  • Windscreen2.4× usual
    Fiat Doblo
    9.4% All 2006 cars
    3.9%

    Failed outright at MOT: 0.3%, against 0.1% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £60–£300 our estimate

    At the viewing: Check for chips or cracks in the driver's view.

  • Rust around suspension or steering mountings2.1× usual
    Fiat Doblo
    10.2% All 2006 cars
    4.9%

    Failed outright at MOT: 7.1%, against 2.4% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £100–£450 our estimate

    At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

  • Shock absorbers1.7× usual
    Fiat Doblo
    12.3% All 2006 cars
    7.4%

    Failed outright at MOT: 4%, against 1.9% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £200–£300 (pair, average rear to front) ClickMechanic

    At the viewing: Push down hard on each corner. It should bounce once and settle. Look for oil on the shock absorber body.

  • Diesel smoke emissions5× usual
    Fiat Doblo
    4.5% All 2006 cars
    0.9%

    Failed outright at MOT: 4.2%, against 0.8% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £175–£900 (catalytic converter) ClickMechanic

    At the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.

  • Anti-roll bar bushes and joints3.7× usual
    Fiat Doblo
    4.4% All 2006 cars
    1.2%

    Failed outright at MOT: 1.1%, against 0.3% of all 2006 cars. The rest were advisories or minor defects.

    Rough price £100–£280 (pair of drop links) Checkatrade

    At the viewing: Drive slowly over bumps and listen for a knock or rattle from the front. Worn anti-roll bar links are a cheap fix.

Better than most

Rigid brake pipes: 3.9% here, against 14% of all 2006 cars. Suspension arm bushes and joints: 3.9% here, against 10.6% of all 2006 cars.

Common 2006 Fiat Doblo diesel MOT failures and advisories

The share of 2006 Fiat Doblo diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Suspension
    45% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Lights and electrics
    42% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Tyres
    38% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Brakes
    34% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Wipers, windscreen and mirrors
    20% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Exhaust and emissions
    18% of testsRough price £100–£1,200

    At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.

Questions to ask the seller before buying a 2006 Fiat Doblo diesel

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the windscreen? (Flagged at MOT 2.4× as often on the 2006 Fiat Doblo diesel as on other cars the same age.)
  2. Any recent work on the rust around suspension or steering mountings? (Flagged at MOT 2.1× as often on the 2006 Fiat Doblo diesel as on other cars the same age.)
  3. Any recent work on the shock absorbers? (Flagged at MOT 1.7× as often on the 2006 Fiat Doblo diesel as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Fiat Doblo?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Fiat Doblo compared

YearMOT testsMost flagged
2022718Tyres 26%
20213,860Tyres 27%
20203,577Tyres 26%
20195,140Tyres 26%
20185,997Tyres 27%
20177,477Tyres 30%
201610,266Tyres 33%
201514,440Tyres 33%
201417,564Suspension 36%
201320,466Suspension 29%
20126,426Suspension 44%
20115,990Suspension 45%
20105,656Suspension 43%
20094,786Tyres 36%
20086,175Suspension 38%
20076,810Suspension 45%
20053,261Lights and electrics 50%
20042,414Suspension 51%
20031,336Suspension 52%
2002581Suspension 51%
2001120Suspension 46%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Fiat Doblo cars first registered in 2006. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score