Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJAGUAR2006XJ (X350) V8-4.2L SCREPAIR AND DIAGNOSISSPECIFICATIONSFLUID TYPE SPECIFICATIONSFUEL
2006 Jaguar XJ (X350) V8-4.2L SC
Fuel
2006 Jaguar XJ (X350) V8-4.2L SCSECTION Fuel
Fuel
The preferred fuel should have an octane rating of at least 95 RON (Research Octane Number).
'Super Green' Plus 98 RON unleaded fuel (where available) may be used as an alternative to the standard 95 RON unleaded fuel.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.