Map Decoder

Automatic EGR Off Solution

EGR off disables the exhaust gas recirculation strategy in the ECU calibration. Map Decoder applies the validated EGR off module automatically and corrects the checksums, producing a ready-to-flash MapPack.

Talk to Us See Modules
How it works

Validated and checksum-corrected

Detect the ECU

The ECU family is identified automatically from the uploaded file.

Apply EGR off

The validated EGR off module is applied; combine with DPF/AdBlue off and DTC removal.

Correct checksums

Checksums are recalculated automatically so the file is accepted by the ECU.

Off-road notice: emission-related modifications are intended for off-road, motorsport or competition use only. Disabling emission equipment on a road vehicle is illegal in most countries. Compliance with local law is the user's responsibility.

FAQ

EGR off — frequently asked questions

What is EGR off?

EGR off disables the exhaust gas recirculation strategy in the ECU calibration. Map Decoder applies it automatically and corrects the checksums.

Is the EGR off automatic?

Yes. Map Decoder detects the ECU, applies the validated EGR off module and corrects the checksum, producing a ready-to-flash MapPack.

Is EGR off legal?

Disabling emission equipment is illegal for road use in most countries. These modules are intended for off-road, motorsport or competition use only, and compliance with local law is the user's responsibility.

Can I combine EGR off with DPF and AdBlue off?

Yes. Emission modules can be combined into a single MapPack, with DTC removal to prevent related fault codes.

Build a complete emission MapPack

EGR, DPF, AdBlue and DTC removal together.

Talk to Us AdBlue Off
Verified coverage

EGR Off — supported ECUs

139 control units currently have a stored, verified EGR Off modification in Map Decoder. Availability is per ECU, not per family.

Bosch 95 ECUs

Siemens 19 ECUs

Delphi 11 ECUs

Denso 6 ECUs

Marelli 3 ECUs

ACDelco 1 ECU

  • E987 solutions · 1,478 DTC

Continental 1 ECU

Delco 1 ECU

  • E986 solutions · 1,471 DTC

Transtron 1 ECU

  • 4Jxx4 solutions · 149 DTC

Visteon 1 ECU

See all supported ECUs