EGR delete in Horwich

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

Mobile service. No garage. No call-out charge.

For off-road and track use only. EGR delete is not legal for use on UK public roads under current emissions legislation.

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

SERVICE EXPLAINER

The EGR (exhaust gas recirculation) valve routes exhaust gas back into the intake manifold to reduce combustion temperature and lower NOx emissions. On a diesel engine doing motorway mileage, the system operates within a range that allows partial self-cleaning. On a diesel doing local work, deliveries, site runs, junction traffic, regular idling on industrial estates around Horwich and Westhoughton, the carbon load in the recirculated gas accumulates faster than the engine generates the heat to clear it.

The valve fouls. Deposits build in the intake tract. The ECU detects that the EGR circuit is no longer performing within its calibrated parameters, logs a fault code, and reduces engine output to protect the drivetrain. Limp mode is the result.

A software delete addresses this by removing the EGR system from the ECU's operating map entirely. We connect via the OBD port, write a modified map with the EGR cycle disabled, and verify the result. The EGR valve stays physically in place, nothing is unbolted, no blanking plate is fitted, no corroded fixings are disturbed. The ECU stops commanding the valve and stops monitoring it. Fault codes tied to the EGR system do not return, because the ECU's logic no longer includes the EGR system.

Exhaust after-treatment hardware on a diesel vehicle
ECU remapping equipment set up in the back of the service van

VEHICLE TYPES

EGR delete is available across a wide range of diesel vans and cars. Common vehicles presenting with EGR faults in the Horwich and Bolton area include:

  • Ford Transit (TDCi, EcoBlue) and Transit Connect
  • Mercedes Sprinter (all CDI generations)
  • Vauxhall Movano and Vivaro
  • Volkswagen Transporter T5 and T6 (TDI), Crafter
  • Renault Trafic and Master
  • Fiat Ducato
  • Diesel cars across most common makes and engine families, including BMW, Audi, Peugeot, and Citroën diesels regularly seen in the area
Compatibility is subject to available tuning files. Call 0161 694 7331 with your make, model, engine size, and year. We can confirm availability before you commit to a booking.

MOBILE PROCESS

The job is carried out at your location. No garage appointment, no recovery vehicle, no driving the vehicle in limp mode across town.

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

Pre-remap diagnostic

all current fault codes are read and logged before any work begins.

ECU remap via OBD port

the modified map is written with the EGR system removed from the software.

Verification

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

Fault codes cleared

all stored EGR-related codes are removed from the ECU.

Done. Typical job time is 60 to 90 minutes.

If a DPF delete is also required, both are handled in the same visit. One arrival, one job, one price.

COST COMPARISON

The EGR delete is £220. That covers the visit, the remap, and the verification, no diagnostic fee on top, no call-out charge, no per-hour rate.

An EGR valve replacement is typically £300 to £700 fitted, depending on vehicle and whether the job is straightforward or complicated by corrosion and access. For a vehicle that has already been through one replacement, or that is on a regular cleaning schedule, the accumulated cost of repeat visits makes the comparison clear.

The software delete is a one-time cost. The modification is permanent. If the DPF also needs attention, the combined EGR and DPF delete is £445, both handled in a single visit.

Reading stored fault codes on a diagnostic tablet in the cab

FAQs

What if the fault is a hardware failure rather than a software issue?
If the EGR valve has physically failed or seized, the software delete resolves the ECU's relationship with the fault. The ECU is remapped to remove the EGR system from its logic entirely, it stops monitoring and commanding the valve, so hardware faults within the EGR system become irrelevant. Any additional faults unrelated to the EGR system will be identified in the pre-remap diagnostic.
How is a software EGR delete different from fitting a blanking plate?
A blanking plate physically blocks the EGR passage but leaves the ECU still attempting to command the valve. The ECU continues to monitor the circuit, detects that EGR flow is not occurring as expected, and generates fault codes. Limp mode can still result. A software delete removes the EGR system from the ECU map. The ECU no longer commands or monitors the valve, no fault codes, no limp mode from the EGR system.
Can you remap a vehicle that has already had an EGR valve replaced?
Yes. A replacement valve will foul in the same conditions as the original. The software delete works regardless of whether the current valve is the factory original or a replacement part, the remap operates on the ECU, not the physical component.
What happens if the ECU will not communicate?
We confirm OBD communication before any remap work is committed. If the ECU cannot be read, due to a damaged port, locked module, or incompatibility, we will advise you before proceeding. No charge applies if the job cannot be completed.

Book your mobile EGR delete in Horwich, call 0161 694 7331.

£220 for the EGR delete. £445 for EGR and DPF combined in one visit. Software-only, no engine bay access, we come to you. Same-day and next-day availability are common.

For off-road and track use only.