2004 Toyota Corolla diesel: common problems and MOT failures
What MOT testers find on the diesel Toyota Corolla first registered in 2004 (diesel cars only): we looked at the 1,524 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
What goes wrong more than usual on a 2004 Toyota Corolla diesel?
Parts flagged at MOT more often on the 2004 Toyota Corolla diesel than on all cars registered in 2004.
- Headlights2× usualToyota Corolla26.3% All 2004 cars13.1%
Failed outright at MOT: 9.1%, against 4.9% of all 2004 cars. The rest were advisories or minor defects.
Rough price £40–£400 our estimateAt the viewing: Check both headlights on dipped and full beam, and look for cloudy or cracked lenses.
- Braking performance2.3× usualToyota Corolla16.5% All 2004 cars7.3%
Failed outright at MOT: 5.8%, against 3.1% of all 2004 cars. The rest were advisories or minor defects.
Rough price £100–£350 our estimateAt the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.
- Brake pads2× usualToyota Corolla15.1% All 2004 cars7.5%
Failed outright at MOT: 5.3%, against 1.9% of all 2004 cars. The rest were advisories or minor defects.
Rough price £75–£175 (one axle) ClickMechanicAt the viewing: Listen for squealing or grinding when braking, and look through the wheel at how much pad is left.
- Suspension arm2.9× usualToyota Corolla10% All 2004 cars3.4%
Failed outright at MOT: 0.6%, against 0.4% of all 2004 cars. The rest were advisories or minor defects.
Rough price £120–£180 (one arm) ClickMechanicAt the viewing: Listen for clunks over bumps and feel for the steering wandering. Worn arm bushes show as cracked rubber near the wheels.
- Diesel smoke emissions8.8× usualToyota Corolla7% All 2004 cars0.8%
Failed outright at MOT: 6.3%, against 0.7% of all 2004 cars. The rest were advisories or minor defects.
Rough price £175–£900 (catalytic converter) ClickMechanicAt the viewing: Look for smoke when revving the warm engine and for engine or DPF warning lights.
Drive shaft (CV) joints: 1.4% here, against 6.6% of all 2004 cars. Suspension arm bushes and joints: 4.3% here, against 9.3% of all 2004 cars.
Common 2004 Toyota Corolla diesel MOT failures and advisories
The share of 2004 Toyota Corolla diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes54% 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.
- Lights and electrics51% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Suspension48% 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.
- Tyres36% 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.
- Wipers, windscreen and mirrors14% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Oil and fluid leaks11% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
Known faults on the 2004 Toyota Corolla diesel
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- All engines
Several brake, gearbox and airbag recalls
This Corolla had recalls for brake problems (2002 and 2005), possible gearbox damage (2002) and front passenger airbag concerns (2004 and 2006).
At the viewing: Run the free DVSA recall check on the reg and ask for proof any recall work was done.
- All engines
Misty rear lights
Condensation can build up inside the rear light clusters.
At the viewing: Look inside the rear lights for water droplets or misting.
- All engines
Squealing brakes
Owners report squealing brakes. It's an annoyance rather than a major fault.
At the viewing: Listen for squeals when braking gently on the test drive.
Questions to ask the seller before buying a 2004 Toyota Corolla diesel
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Has all the recall work been done, and can I see the paperwork?
- Any recent work on the headlights? (Flagged at MOT 2× as often on the 2004 Toyota Corolla diesel as on other cars the same age.)
- Any recent work on the braking performance? (Flagged at MOT 2.3× as often on the 2004 Toyota Corolla diesel as on other cars the same age.)
- Any recent work on the brake pads? (Flagged at MOT 2× as often on the 2004 Toyota Corolla diesel as on other cars the same age.)
- Can I see the service history and receipts for any big jobs?
Looking at a Toyota Corolla?
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 Toyota Corolla compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2026 | – | Too new for MOT data |
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | 5,947 | Tyres 15% |
| 2022 | 23,838 | Tyres 21% |
| 2021 | 40,845 | Tyres 23% |
| 2020 | 55,784 | Tyres 23% |
| 2019 | 48,385 | Tyres 24% |
| 2017 | – | Too few tests |
| 2014 | 145 | Lights and electrics 23% |
| 2010 | 272 | Lights and electrics 39% |
| 2009 | 3,861 | Lights and electrics 37% |
| 2008 | 9,957 | Lights and electrics 39% |
| 2007 | 13,759 | Lights and electrics 43% |
| 2006 | 37,752 | Brakes 44% |
| 2005 | 33,913 | Brakes 47% |
| 2003 | 16,496 | Brakes 48% |
| 2002 | 11,020 | Brakes 46% |
| 2001 | 6,048 | Brakes 38% |
| 2000 | 3,498 | Suspension 38% |
| 1999 | 3,556 | Suspension 41% |
| 1998 | 2,856 | Suspension 47% |
| 1997 | 1,456 | Suspension 47% |
| 1996 | 557 | Suspension 39% |
| 1995 | 426 | Suspension 41% |
| 1994 | 514 | Suspension 40% |
| 1993 | 512 | Suspension 40% |
| 1992 | 379 | Suspension 37% |
| 1991 | 195 | Suspension 34% |
| 1990 | 177 | Suspension 34% |
| 1989 | – | Too few tests |
| 1988 | – | Too few tests |
| 1987 | – | Too few tests |
| 1986 | – | Too few tests |
| 1985 | – | Too few tests |
| 1984 | – | Too few tests |
| 1983 | – | Too few tests |
| 1981 | – | Too few tests |
| 1980 | – | Too few tests |
| 1979 | – | Too few tests |
| 1978 | – | Too few tests |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Toyota Corolla cars first registered in 2004. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score