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.
Possible Causes
2002 Jaguar XK8 2D CoupeSECTION Possible Causes
- Throttle adaptations not performed after battery disconnect.
- TPS disconnected.
- TPS to ECM sensing circuits open or high resistance.
- Throttle motor power relay failure.
- Throttle motor power relay to ECM circuit fault.
- Throttle motor power relay power supply open circuit.
- ECM ground circuit fault (relay coil drive).
- Throttle motor to ECM drive circuits open, shorted or high resistance.
- Throttle motor failure.
- Throttle assembly failure.
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.