EGR delete in Leyland

Software-based ECU remap. EGR disabled permanently. We come to you in Leyland, £220 flat.

For off-road and track use only.

Mobile We come to you
Software only No physical parts removed or replaced
Flat £220 No surprises
Same or next day In most cases

How EGR valves fail, and what a software delete does about it

The EGR (exhaust gas recirculation) valve routes a controlled portion of exhaust gas back into the intake manifold. The purpose is to reduce combustion temperature and lower NOx output. In theory, the system functions as designed. In practice, on a diesel engine doing short runs, urban deliveries, and regular idling, the carbon content of recirculated exhaust gas accumulates faster than normal operating temperatures can clear it.

The valve fouls. Deposits build up in the intake ports. Eventually the ECU detects that the EGR circuit is no longer performing within its calibrated parameters, and it responds by logging a fault code and reducing power output to protect the drivetrain. Limp mode is the result. For a van that earns money, it is a significant problem.

A software delete removes the EGR system from the ECU's operating map entirely. We connect via the OBD port and write a modified map in which the EGR valve is disabled in software. The valve stays physically in place. Nothing is unbolted, no blanking plate is fitted, no surrounding components are disturbed. The engine runs without the EGR cycle. Fault codes related to the EGR system are cleared and do not return, because the ECU is no longer monitoring a circuit it has been told to ignore.

Exhaust after-treatment hardware on a diesel vehicle
Technician reading a diagnostic tablet from the driver's seat of a van

Vehicles covered

We carry out software EGR deletes on a wide range of diesel vans and cars. Common vehicles in Leyland include the Ford Transit (TDCi and EcoBlue), Mercedes Sprinter (CDI), Vauxhall Movano and Vivaro, Volkswagen Transporter T5 and T6 (TDI), Volkswagen Crafter, Renault Trafic and Master, and Fiat Ducato. Diesel cars, including BMW, Audi, Land Rover, and Vauxhall, are also covered, subject to available tuning files for the specific make, model, engine, and year.

Compatibility depends on what tuning data is available for your ECU variant. If you are unsure, call with your registration and we will confirm before you book.

What happens on the day, step by step

We arrive at your location in Leyland, home, yard, car park, or workplace.

Pre-remap diagnostic

all current fault codes are read and logged before we write anything.

ECU remap written via OBD port

EGR valve disabled in software, engine runs without the EGR cycle.

Verification

the map is confirmed as correctly written, the engine is restarted and checked.

Fault codes cleared

all EGR-related codes removed from the ECU's stored history.

Done. The job typically takes 60 to 90 minutes from arrival.

No recovery truck needed. No garage appointment. The vehicle is ready to drive when we leave.

Cost, what £220 covers

The £220 price covers the visit, the remap, and the post-remap verification. There is no diagnostic fee on top, no call-out charge, and no per-hour rate. The job is one fixed price regardless of how long it takes within the normal 60–90 minute window.

For comparison, a physical EGR valve replacement typically costs £300–£600 fitted, and that is assuming the job is straightforward, without corroded fixings or secondary components that need attention. For vehicles that have already been through one replacement, or two, the cost accumulates alongside interim cleaning intervals. A software delete at £220 is a single visit with no repeat. If you also need a DPF delete, both can be done in one visit for £445.

Reading stored fault codes on a diagnostic tablet in the cab

Frequently asked questions

What if the fault is a hardware failure rather than a software issue?
If the EGR valve has mechanically seized, cracked, or failed in a way that causes a separate physical problem, coolant leak from an EGR cooler, for example, the software delete will suppress the EGR fault codes but will not address the underlying hardware condition. We read codes before we remap, and if we identify something that warrants attention before proceeding, we will tell you.
How is a software EGR delete different from fitting a blanking plate?
A blanking plate physically blocks the EGR port and typically involves removing components and disturbing fixings that may be corroded. The ECU still expects the EGR circuit to function, so fault codes often persist and limp mode can continue. A software delete removes the EGR system from the ECU's map, the ECU no longer monitors it, so no fault codes are generated and limp mode does not return.
Can you remap a vehicle that has already had an EGR valve replaced?
Yes. The remap works at the software level, independent of whether the valve is original or a replacement. If the replacement valve is now also failing, or if the fault is recurrence of the same carbon build-up pattern, the software delete resolves it permanently regardless of the valve's history.
What happens if the ECU will not communicate?
On a small number of vehicles, ECU communication can be blocked by a prior fault, a dead battery, or a non-standard ECU variant. We carry diagnostic equipment capable of working across most protocols. If we cannot establish communication on the day, we will not charge for the visit, call us and we will work through what is likely before you book.

Book your EGR delete in Leyland

Book your mobile EGR delete in Leyland, call 0161 694 7331. The price is £220, software-only, no parts, no garage. We come to you. Same-day and next-day availability is common across Leyland and the surrounding area, including Farington, Bamber Bridge, and Chorley.

For off-road and track use only.

The EGR Specialist is powered by SGR Automotive.