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Home >> Audi >> 2017 >> S3 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> FUEL SUPPLY (1 Of 2) -- (A3 SEDAN) >> 20 Fuel Supply >> Fuel System EVAP Leak Test >> Evaporative Emissions Tester: KLI9210, General Information >> Evaporative Emissions Tester: KLI9210, Self-Test

Evaporative Emissions Tester: KLI9210, Self-Test

NOTE:

Always Perform System Self-Test Of Evaporative Emissions Tester:KLI9210  Prior To Use To Ensure That There Are No Leaks.

Refer To Evaporative Emissions Tester:KLI9210  service information For Specific Instructions.

-- Connect Vehicle Interface Hose To Self-Test Port -1-, Ensuring That Fitting Is Finger-Tight. Over-Tightening Will Damage Fitting.

GWWUS20-A160Courtesy of AUDI OF AMERICA, LLC

-- Turn Control Valve -2- To Test.

Gauge -3- Should Read 14 ± 1 In  . Of Water.

If Gauge Does Not Read 14 ± 1 In  . Of Water:

-- Verify That Valve On Evap Tester Nitrogen Cylinder Is Open And That Cylinder Has Sufficient Pressure Before Continuing.

-- Turn Fine Adjust Regulator Knob (-Arrow-) Until Gauge Reads 14 In. Of Water; Tighten Lock Nut.

GWWUS20-A161Courtesy of AUDI OF AMERICA, LLC
NOTE:

If Gauge Still Does Not Read Within Above Range, Contact K-Line Customer Service - Technical Support For Additional Instructions Before Continuing.

-- Check Flow Meter -4-.

GWWUS20-A160Courtesy of AUDI OF AMERICA, LLC

Meter Must Indicate No Flow.

-- Turn Control Valve To Hold Position.

-- Check Gauge.

Gauge Must Hold Pressure.

If Gauge Leaks Down:

-- Verify That Vehicle Interface Hose Is Firmly Seated And Repeat Previous Six Steps Before Continuing.

If Gauge Continues To Leak Down:

-- Use Ultrasonic Tester To Locate And Repair Leak Before Continuing. Refer To METHOD 2: LOCATE LEAK WITH ULTRASONIC TESTER 

NOTE:

If The Leak Cannot Be Located Or Repaired, Contact K-Line Customer Service - Technical Support.