Some vehicles may have spark plugs that have been affected by corona discharge that leads to corona stain...
Jaguar technical service bulletin 1855 for 1990-1994 Jaguar XJS and 1990-1994 Jaguar Sedan Range.
- Bulletin number
- 1855
- Component
- Electrical system: ignition
- Summary
- Some vehicles may have spark plugs that have been affected by corona discharge that leads to corona stain or what is often referred to as spark plug blow-by. Tt
Owners of these vehicles have filed 6 complaints in the electrical category.
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