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Fig. 126: Identifying Scan Tool Display - Checking Aging, HO2S After TWC (3 Of 3) z Adjust RPMs with VAG 1788/10 RPM adjuster to 1800 to 2200 RPM. 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-S2 OK" appears in display zone 4. DISPLAY GROUP 43: OXYGEN SENSOR DIAGNOSTIC AFTER THREE WAY CATALYTIC If the specifications are obtained:
Display zones 1 2 3 4 Display group 43: oxygen sensor diagnostic after Three Way Catalytic Converter (TWC) (aging xxxx RPM xxx.x °C x.xxx V Test OFF/Test ON B1-S2 OK/B1-S2 n.OK Indicated Engine speed (in steps of 40) Three Way Catalytic Converter (TWC) temperature Diagnostic condition and diagnostic result Working 0 to 6800 RPM - - - Specifications 1800 to 2200 RPM >300 °C 0.100 to 0.900 B1-S2 OK. - - If the specifications are not obtained, see Functional check , Continuation
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE Multiport Fuel Injection (MFI) , 1.8L AWP, AWV - New Beetle
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