I had the diagnostics ran on the car and found the following

1997 JAGUAR XK8
55,000 MILES
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KLM5702
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Not sure this helps with the anti freeze leak but did recieve the following codes and messages

P0507 Idle Control System RPM High
P1000 Manufac Control fuel and air metoring Aux Admission Control
P1643 Manufac Control Aux input Aux Output

All of these show pending?
Apr 19, 2013 at 11:02 AM
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HMAC300
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we don't list the last two codes on your listb ut try cleaning yoru throttle plate an diac hole with choke cleaner and they may go awan after you erase them with a scan tool. pressure check yoru system for the anti freeze leak.
Apr 19, 2013 at 12:20 PM