2004 MG ZT 4.6L Petrol · PJ04 TZC
2004 MG ZT (4.6L, petrol). First registered 31 Mar 2004. Recorded mileage 57,777 miles. MOT valid until 20 Jul 2027.
- Make & Model
- MG ZT
- Year / Origin
- 2004 · Preston
- Safety Recall
- Unknown
- MOT Status
- Valid until 20 Jul 2027
- Road Tax
- —
- Recorded Mileage
- 57,777 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 4.6L
- Reliability Guide
- Common Faults
PJ04 TZC Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 22/07/2026
- 57,777 miles recorded at latest MOT
- 1 historical MOT failure
- 2 defects noted at the latest MOT
- Recurring brakes items (7 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
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.
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.
PJ04 TZC Mileage History
- 10/08/202352,186 mi
- 11/08/202352,186 mi
- 25/07/202454,358 mi+2,172 mi
- 29/08/202556,561 mi+2,203 mi
- 22/07/202657,777 mi+1,216 mi
Average of roughly 1,897 miles per year across 5 recorded odometer readings.
PJ04 TZC 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 2004 Mg Zt (PJ04 TZC) between August 2023 and July 2026.
The record contains 4 passes and 1 failure.
The most recent test on 22 July 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (7 issues), Suspension (6 issues), Lighting (2 issues), Tyres (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 22 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Front Headlamp levelling device inoperative Self-levelling ride height sensor arm broken (4.1.5 (a))”.
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.
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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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