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1986 Jaguar XJS 5.3L Emissions
Posted to European Engine on 11/8/2013 10 Replies

I have changed O2 sensors, swapped ECU and played with the adjustment on the ECU and been able to get the HCs down to 117 PPM, right at the threshhold of passing (118 fails @ 15 MPH) and 1.9% COs, down from 3.15 to 3.25 per cent, so I'm under the 2+ per cent g...

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car Vehicle Data

1986 Jaguar XJS

VIN SAJNV5846G
Engine5.3 L / 12 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection
AffectedEmissions
ConditionsFailed Smog Test
Message Closed

car Vehicle Data

1986 Jaguar XJS

VIN SAJNV5846G
Engine5.3 L / 12 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection
AffectedEmissions
ConditionsFailed Smog Test