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Indicated on display (1 to 4 - Display zones) Fig. 122: Identifying Scan Tool Display - Checking Aging, HO2S Before TWC (3 Of 3) z Adjust RPMs with VAG1788/10 RPM adjuster to 1800 to 2200RPM. z Check specifications in display zones 1 to 4. z Maintain engine speed at 1800...2200 rpm until display in display zone 4 jumps from "Test OFF" to "Test z Continue to maintain speed at 1800...2200 rpm until specification "B1-S1 OK" appears in display zone 4. OXYGEN SENSOR CONTROL SPECIFICATION
Display zones 1 2 3 4 Display group 34: Oxygen sensor aging diagnostic Bank 1 (sensor dynamics) xxxx RPM xxx.x °C xx.xx Test OFF/Test ON B1-S1 OK/B1-S1 n.OK Indicated Engine speed (in steps of 40) Three Way Catalytic Converter (TWC) temperature Sensor dynamics Bank 1 oxygen sensor 1 Diagnostic condition and diagnostic result Working 0 to 6800 RPM - 0.00 to 1.99 - Specifications 1800 to 2200 RPM 350 to 500 °C > 0.50 B1-S1 OK. - - If the specifications are not obtained, see OXYGEN SENSOR AGING, OXYGEN SENSOR AFTER THREE WAY
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle
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