Jaguar XJS Emission

Browse Jaguar XJS Emission questions and answers. Choose a question that matches your symptoms.

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V12 Runs Too Lean To Pass Emissions Test

1992 JAGUAR XJS

Always Has Trouble With Nox Too High. Have Tried Multiple De-carbonizing Additives In The Fuel. Brand New O2 Sensors, Brand New Complete...

5 ANSWERS

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Asked by tonytigerforyou

1989 JAGUAR XJS

I'm Having Trouble Getting A Jaguar I Just Bought To Pass Smog. The Tech Say's It's Pumping Too Much Fuel Way Too Rich. The Tech Say's Maybe...

1 ANSWER

Asked by 2CP-Archives

1989 JAGUAR XJS

Computer Problem 1989 Jaguar Xjs V12 Two Wheel Drive Automatic 98.000 Miles Hello I'm Having Trouble Getting A Jag I Just Bought To...

1 ANSWER

Asked by REX L MORGAN

1982 JAGUAR XJS

Engine Performance Problem 1982 Jaguar Xjs V12 Two Wheel Drive Automatic My 82 Xjs Will Not Pass The Smog Check I Bought It In '06 And...

1 ANSWER

Asked by dsrosem

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