High Brake Pedal Effort Required to Start The Engine on Jaguar XK

High brake pedal effort may be required to start the engine. Our technicians tell us if the vacuum supply to the brake booster is correct, adjusting the brake light switch and recalibrating the anti-lock brake modulator pressure sensor will generally correct this concern.

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Average mileage: 31,000 (31,000–31,000)
3 model years affected: 2007, 2008, 2009
4 people reported this problem
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problem details
2007 Jaguar XK 31,000 mi,
Brake locks up and engine will not start. Message flashes on dash to "push brake pedal to start". The pedal locks and you can't start the car.