Ford Transit Pre-Purchase ECU Assessment

Buying a Ford Transit? Don’t rely on guesswork.

We carry out a structured ECU and system assessment using live data, giving you a clear understanding of the vehicle before you commit.

No assumptions. No generic scans. Just real data from the vehicle itself.

What This Service Is

This is not a mechanical inspection.

This is a diagnostic-led ECU and system analysis, focused on how the engine and emissions systems are actually performing.

We connect directly to the vehicle and assess live data, system behaviour, and fault history — allowing us to identify issues that are often invisible during a standard inspection or test drive.

What We Assess

• ECU fault code history (including intermittent and pending faults)
• Live data analysis (MAF, EGR operation, boost control, fuelling)
• DPF condition (soot load, differential pressure, regeneration behaviour)
• AdBlue / SCR system performance
• NOx sensor operation (before and after the system)
• Oil dilution levels and regeneration impact
• Injector balance and engine smoothness indicators
• Signs of previous ECU calibration or software changes

Why This Matters

Many expensive problems don’t trigger warning lights.

We regularly identify:

• Vehicles that have already been poorly calibrated
• Emissions systems not functioning correctly
• DPF systems close to blockage or failure
• Sensor faults misdiagnosed as larger system issues
• Early-stage faults that could lead to costly repairs

This service helps you make an informed decision — before money changes hands.

Why Choose RubyTune

Trading Standards Approved | IMI Certified

We specialise in Ford Transit platforms and take a diagnostic-first approach to every vehicle we see.

With hundreds of genuine 5-star reviews, our focus is always on accuracy, transparency, and doing things properly — not guesswork.