surging

Asked by Apr 08, 2013 at 09:53 AM about the 1989 Jaguar XJ-S

Question type: Maintenance & Repair

Hi, I wonder if you could help me, I have a V12 XJS, it starts OK and runs on all 12 cylinders but when it is hot it surges, from 750 rpm to 1400 rpm. I tuck the air filters out and the left bank is sucking well but the right bank isn't doing anything, but it still runs on all 12 cylinders.
I would be grateful if you can help.
Regards Ian.

1 Answer

First put the filters back. New ones. You will not solve the problem with them out and meantime if you happen to go through a dust cloud, even a very small one,anything in the air is bad news for your motor.

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