Seat Leon >> Exhaust gases inspection (petrol engines) using the exhaust gas analyser - SAT 3500A

SEAT Leon Service and Repair Manual / Maintenance / Description of work / Exhaust emissions test / Exhaust gases inspection (petrol engines) using the exhaust gas analyser - SAT 3500A

NOTICE Please observe the country-specific laws and regulations.

The following exhaust emissions test description is applicable only in countries where no specific exhaust emission regulations have to be adhered to.

Special tools and workshop equipment required

  • Exhaust gas analyser - SAT 3500A-

Check prerequisites

  • Allow the engine to reach service temperature.
  • Oil temperature should be above 70 ºC
  • Turn off all electricity consumers.
  • Air filter must be OK.
  • There should be no fault recorded.
  • The exhaust system must be sealed .

 

  • Switch on the exhaust gas analyser - SAT 3500A- .

The display for warm-up phase appears.

When F1 petrol is selected, the gas measure screen is displayed.

(The equipment must be calibrated with the probe in the exhaust tube).

  • Calibrate the exhaust gas analyser - SAT 3500A- according to the instructions in the - Petrol/diesel exhaust gas analysis set .
  • Fit the probe -1- to the exhaust tube.

When calibration is finished, the machine begins the exhaust gas analysis automatically.

  • % vol. CO, carbon monoxide
  • % vol. CO2, Carbon dioxide
  • ppm-% HC, uncombusted hydrocarbons
  • % vol. O2, remaining oxygen
  • Lambda factor (Brettschneider formula)
  • Value of ppm NOx, nitrogen oxides

All the data required for the inspection is available in - Data pages for exhaust gas inspection .

If the real values differ from specifications then carry out repairs.

NOTICE A new calibration must be done for each measurement; remember to remove the probe from the exhaust.

Maintenance

    Exhaust gases inspection (diesel engines) using the exhaust gas analyser -SAT 3500A-
    Special tools and workshop equipment required Exhaust gas analyser - SAT 3500ACheck Check prerequisites Allow the engine to reach service temperature. Oil temperature should be above 70 ...

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