I recently bought a 1986 jaguar vanden plas. It runs smoothe, but idles rough, what could it be.

1986 JAGUAR VANDEN PLAS
154,000 MILES
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JAG NEWBIE
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The jag runs down the road very smoothly. When I come to a stop/start, it idles roughly. I have plugs, wires and coil. What else can I check? I am new to jags...so your help is appreciated.

Apr 18, 2012 at 6:40 AM
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MHPAUTOS
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vacuum leaks and the iac system, you may be abler to get a code if you go get a scan done, i would start here.
Apr 18, 2012 at 7:20 AM