Mechanics

IDLING PROBLEM

1988 Jaguar XJ12 • V12 2WD Automatic • 157,000 miles

Have a 1988 XJ12 jAGUAR, when starting cold at 1000 rpm and as it warms up will go as high as 1900rpm,
in manual it mentions could be auxillary valve, to test put in boiling water, did this but nothing happened, does the brass bulb on bottom suppose to move?
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Lewis
March 22, 2011.




Check the idle air control valve



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