2003 Alfa Romeo 156 1.9L Diesel · HY53 EMJ
2003 Alfa Romeo 156 (1.9L, diesel). First registered 29 Sept 2003. Recorded mileage 71,344 miles. MOT valid until 28 Dec 2026.
- Make & Model
- ALFA ROMEO 156
- Year / Origin
- 2003 · Portsmouth
- Safety Recall
- Unknown
- MOT Status
- Valid until 28 Dec 2026
- Road Tax
- —
- Recorded Mileage
- 71,344 mi
- ULEZ Compliance
- Non-Compliant (Pre-Euro 6 Diesel)
- Fuel & Engine
- Diesel · 1.9L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
HY53 EMJ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 18/12/2025
- 71,344 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
HY53 EMJ MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2003 Alfa Romeo 156 (HY53 EMJ) between December 2022 and December 2025.
The record contains 4 passes and 1 failure.
The most recent test on 18 December 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
HY53 EMJ Mileage History
- 23/12/202241,903 mi
- 27/12/202353,207 mi+11,304 mi
- 27/12/202353,207 mi
- 17/12/202463,633 mi+10,426 mi
- 18/12/202571,344 mi+7,711 mi
Average of roughly 9,857 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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Known faults for Alfa Romeo Alfa Romeo 156
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Good
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Common Problems: ALFA ROMEO 156
Known issues reported by owners and MOT testers.
- Cam Variator Rattle and Cam Belt Wear(Serious)
The Twin Spark engines on the 156 use a cam variator to adjust valve timing. When worn, it produces a distinctive diesel-like rattle on startup that lasts a few seconds. Alfa originally specified a 72,000-mile cam belt interval but reduced this to 36,000 miles from November 2006. A failed cam belt causes catastrophic engine damage.
- V6 Water Pump Failure(Serious)
The 2.5 and 3.2 litre Busso V6 engines on the 156 use a water pump with a plastic impeller that can crack over time. This causes coolant loss, overheating and potential engine damage. Alfa Workshop recommends replacing the water pump at the same time as the cam belt, typically every 60,000 miles on V6 models.
- Air Flow Meter Failure(Moderate)
The 156's air flow meter (MAF sensor) can fail, causing poor engine performance, hesitation, rough idle and increased fuel consumption. A faulty MAF sends incorrect airflow data to the ECU, resulting in incorrect fuelling. Replacement sensors cost around £120 and are a common fault on higher-mileage examples.
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ALFA ROMEO 156 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2003 model year cars.
- Cam Variator Rattle and Cam Belt WearSerious
The Twin Spark engines on the 156 use a cam variator to adjust valve timing. When worn, it produces a distinctive diesel-like rattle on startup that lasts a few seconds. Alfa originally specified a 72,000-mile cam belt interval but reduced this to 36,000 miles from November 2006. A failed cam belt causes catastrophic engine damage.
- V6 Water Pump FailureSerious
The 2.5 and 3.2 litre Busso V6 engines on the 156 use a water pump with a plastic impeller that can crack over time. This causes coolant loss, overheating and potential engine damage. Alfa Workshop recommends replacing the water pump at the same time as the cam belt, typically every 60,000 miles on V6 models.
- Air Flow Meter FailureModerate
The 156's air flow meter (MAF sensor) can fail, causing poor engine performance, hesitation, rough idle and increased fuel consumption. A faulty MAF sends incorrect airflow data to the ECU, resulting in incorrect fuelling. Replacement sensors cost around £120 and are a common fault on higher-mileage examples.
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