2004 MG ZT 4.6L Petrol · RJ04 YFG
2004 MG ZT (4.6L, petrol). First registered 19 Apr 2004. Recorded mileage 56,108 miles. MOT expired on 11 Jul 2025.
- Make & Model
- MG ZT
- Year / Origin
- 2004 · Reading
- Safety Recall
- Unknown
- MOT Status
- Expired on 11 Jul 2025
- Road Tax
- —
- Recorded Mileage
- 56,108 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 4.6L
- Reliability Guide
- Common Faults
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RJ04 YFG Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 12/07/2024
- 56,108 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
RJ04 YFG MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 2004 Mg Zt (RJ04 YFG) between April 2022 and July 2024.
The record contains 3 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
RJ04 YFG Mileage History
- 09/04/202253,813 mi
- 29/04/202355,620 mi+1,807 mi
- 12/07/202456,108 mi+488 mi
Average of roughly 1,016 miles per year across 3 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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Known faults for MG MG ZT / ZT-T
Our database tracks 5 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Average
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: MG ZT
Known issues reported by owners and MOT testers.
- ECU Flooding (Blocked Drains)(Serious)
The plenum chamber drains block with leaves, causing water to rise and submerge the engine ECU.
- Front Coil Spring Breakage(Moderate)
The front coil springs are prone to snapping due to fierce corrosion, particularly on UK roads with salt and potholes. This is a common MOT failure.
- K-Series Head Gasket Failure (1.8 Petrol)(Serious)
The 1.8 K-Series petrol engine is prone to head gasket failure if the cooling system is neglected. Symptoms include overheating and oil/coolant mixing.
- Brake Pipe Corrosion(Serious)
The brake pipes can corrode, particularly in areas where road salt is used. This is a serious safety concern and a common MOT failure point.
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MG ZT Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2004 model year cars.
- ECU Flooding (Blocked Drains)Serious
The plenum chamber drains block with leaves, causing water to rise and submerge the engine ECU.
- Front Coil Spring BreakageModerate
The front coil springs are prone to snapping due to fierce corrosion, particularly on UK roads with salt and potholes. This is a common MOT failure.
- K-Series Head Gasket Failure (1.8 Petrol)Serious
The 1.8 K-Series petrol engine is prone to head gasket failure if the cooling system is neglected. Symptoms include overheating and oil/coolant mixing.
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