Question about 1991 Rolls Royce Rolls Royce Silver Spur

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Starts fine when warms up idles rouph - 1991 Rolls Royce Rolls Royce Silver Spur

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When it is cold, the idle is set higher and may cover a misfire. The first thing to check are the spark plugs. Recomended brands are either Bosch or Champion. Platinum plugs are not recomended!! Look for white tracking on the boots and wires indicating an electrical leak resulting in a misfire condition. Great cars and engines. Lots of power and very smooth. Email me if you need further help. iambanshee74@yahoo.com

Posted on Nov 14, 2010

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Posted on Jan 02, 2017

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