I recently bought a 1986 Jaguar Vanden Plas. It runs smoothe, but idles rough, what could it be.

Tiny
JAG NEWBIE
  • 1986 JAGUAR VANDEN PLAS
  • 154,000 MILES

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.

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Wednesday, April 18th, 2012 AT 6:40 AM

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Tiny
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.

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Wednesday, April 18th, 2012 AT 7:20 AM

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