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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Supply (Fuel System EVAP Leak Test) >> 20 Fuel Supply >> Fuel System EVAP Leak Test >> Evaporative Emissions Tester:KLI9210, General Information >> Evaporative Emissions Tester:KLI9210, Calibrate

Evaporative Emissions Tester:KLI9210, Calibrate

Determine vehicle leak threshold:

To MY 2000 -

leak threshold 0.040 in

From MY 2001 -

leak threshold 0.020 in

-- Attach test hose to appropriate preset port -black arrows-.

Fig 1: Calibrating The KLI 9210 Tester
GWWUS20-A162Courtesy of AUDI OF AMERICA, LLC

-- Turn control valve from "Hold to Test".

-- Set flow meter flag -white arrow- at indicated value on flow meter.

-- Turn control valve to "Hold" then remove test hose.