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1984 Jaguar Vanden Plas 4.2L Smog Failure
Posted to European Driveability on 3/25/2009 11 Replies

I have a 1984 Jag XJ6 that failed smog for high NOX. The car does not go into closed loop. O2 sensor gives a constant 1 volt reading, dropping down to near 0 when giving it a vacumm leak. Have checked timing, basic CO setting at air flow meter, temp sensor ohm...

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  Related Documents & Media  1984 Jaguar Vanden Plas

 
Message Closed w/FIX

car Vehicle Data

1984 Jaguar Vanden Plas

VIN SAJAY1343E
Engine4.2 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsSmog Failure
OccursAlways
Message Closed w/FIX

car Vehicle Data

1984 Jaguar Vanden Plas

VIN SAJAY1343E
Engine4.2 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsSmog Failure
OccursAlways