Jaguar XK8 Crank but No Start Checklist. Modurol Guide using Gary VanRemortel Bible. GV31 XKR (X100)

Is your Jaguar XK8 (X100) or XKR cranking over but refusing to fire up? In video GV31 of my series, we dive into Section 31 of Gary VanRemortel’s "XK8 Bible"—the ultimate "Crank but No Start" checklist.

This video breaks down a systematic approach to diagnosing the issue, covering everything from simple battery checks to more advanced sensor locations.

What we cover in this video:
Simple Checks: Immobilizer resets, shifter positions (Park/Neutral), and battery voltage requirements.
Fuses & Relays: Finding the ECM and fuel pump fuses for different model years.
The Inertia Switch: How to locate and correctly reset the safety fuel cut-off.
Sensors: Identifying Crank (CKPS) and Cam Position (CMPS) sensors.
Fuel Supply: Locating the Schrader valve on AJ26 and AJ27 engines to test pressure.
ECM & Spark: Diagnosing ignition issues and upstream power failures.
OBD2 Scanning: What to do when your scanner won't link to the car.
General Notes: How to clear a flooded engine and the "Propane Test" for fuel issues.

Resources Mentioned:
Thanks to Gary VanRemortel for compiling the 'XK8 Bible'.
The bible can be found at webiste www.modurol.co.uk

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This channel is dedicated to all things Jaguar XK8, from maintenance and DIY guides to in-depth reviews and restoration projects. Join me as we explore the beauty and intricacies of this iconic British sports car.

Always consult your vehicle's service manual and follow safety precautions when working on your car. This video is for informational purposes only.

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