1986 Jaguar XJS Loping at idle

1986 JAGUAR XJS
140,000 MILES • V12 • 2WD • AUTOMATIC
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JES2FUNY2
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  • 5 POSTS
It lopes at idles to fast. normal iddl speed,if I set up the idle around 12rpm it goes away, but thats too high. I replaced the fuel pump, flushed lines, replaced headgaskets and had heads redone. it runs fine when going down road, but when stopped lopes and sometimes stalls......HELP !
Dec 17, 2009 at 3:03 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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