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Home >> Jaguar >> 2015 >> XJR Base >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Evaporative Emissions - V8 5.0L Petrol/V8 S/C 5.0L Petrol -- XJ/X351 >> Evaporative Emissions - V8 5.0L Petrol/V8 S/C 5.0L Petrol >> Diagnosis And Testing >> EVAPORATIVE EMISSIONS - V8 5.0L Petrol/V8 S/C 5.0L Petrol (G1707365) >> Special Tools >> Calibration Routine

Calibration Routine

Perform the following step to calibrate the combustible gas detector:

  1. Slowly rotate the sensitivity control until a rapid ticking is audible - the detector is now set to 'high sensitivity' mode and this is suitable for detecting small leaks. Alternatively, if the siren sounds repeatedly during testing, rotate the sensitivity control until a slow ticking is audible - the detector is now set to 'low sensitivity' mode and this is suitable for detecting the source of large leaks
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