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 MANUALSJAGUAR1991XJ-6 L6-4.0LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSIDLE SPEED
1991 Jaguar XJ-6 L6-4.0L
Idle Speed
1991 Jaguar XJ-6 L6-4.0LSECTION Idle Speed
IDLE SPEED
Cold in "N" 800 rpm
Cold in "D" 650 rpm
Hot in "N" 700 rpm
Hot in "D" 580 rpm
Idle RPM, Manual 800 rpm
Cold in "N" 800 rpm
Cold in "D" 650 rpm
Hot in "N" 700 rpm
Hot in "D" 580 rpm
Idle RPM, Manual 800 rpm
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.