Bosch MD1CS003 Secondary Air Inj. Removal

NuoVolta provides a ready Secondary Air Inj. Removal solution for the Bosch MD1CS003, used in Citroen, DS, Opel, Peugeot and Toyota vehicles. The NuoVolta client recognises your original file, applies the solution and handles the related DTC codes.

✓solution files for this solution
16solutions on this ECU
12DTC sets
Oct 2026last update

How it works

Applying Secondary Air Inj. Removal to a Bosch MD1CS003 file takes three steps.

  1. Read the fileRead the original file from the Bosch MD1CS003 with your tool.
  2. Select the solutionOpen it in the NuoVolta client and select Secondary Air Inj. Removal.
  3. Write the resultSave the modified file and write it back to the ECU.

About Secondary Air Inj. Removal

SECONDARY AIR INJECTION (SAI) Secondary air injection is an emission control system used on many gasoline engines. During a cold start, an electric pump blows fresh air into the exhaust, upstream of the catalytic converter. The extra oxygen allows unburned hydrocarbons (HC) and carbon monoxide (CO) to burn in the exhaust, which reduces cold start emissions and helps the catalytic converter reach its operating…

Read more about Secondary Air Inj. Removal

Most requested solutions

Ranking of the solutions NuoVolta users apply most often to this ECU.

  1. 1 AdBlue / SCR / NOx Removal
  2. 2 EGR Removal
  3. 3 DPF / ADV Removal
  4. 4 Full Emission Removal
  5. 5 Stage 1
  6. 6 Readiness Calibration
  7. 7 Speed Limit / Vmax Removal
  8. 8 Torque Monitoring Disable

Related DTC codes

Fault codes that are commonly linked to Secondary Air Inj. Removal.

Frequently asked questions

Is a ready Secondary Air Inj. Removal solution available for the Bosch MD1CS003?

Yes. NuoVolta has a ready Secondary Air Inj. Removal solution for the Bosch MD1CS003. It is applied with the NuoVolta client.

Which vehicles use the Bosch MD1CS003?

According to the NuoVolta database, the Bosch MD1CS003 is used in Citroen, DS, Opel, Peugeot and Toyota vehicles.

Are the related DTC codes handled?

The Secondary Air Inj. Removal solution is applied together with the related DTC handling. If other codes remain, the DTC removal feature can disable them.

Diagnose and repair real faults first. Removing or disabling emission systems is only permitted where allowed by law, for example for off-road or motorsport use.

Ready to work with the Bosch MD1CS003?

Get the NuoVolta client and apply ready solutions to your ECU files.