1999 Other Jaguar Models Rough Idle

1999 JAGUAR
65,000 MILES • V8 • 2WD • AUTOMATIC
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MS JAGUAR XK8
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I have 1999 XK8. It runs well expect when It's idling, It surges and jumps
Sep 16, 2008 at 5:12 PM
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BLACKOP555
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disconnect IAC module and see if the pintle moves freely in it, if not then its probably carboned up, you can TRY to clean it and free it up if not might need replacement.

check for vaccum leaks as well.
Sep 16, 2008 at 8:13 PM