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Rough running when cool. S90-V90 1998

posted by  someone claiming to be sevenvolvos on  Fri Jun 13 11:40 CST 2008 [RELATED]

Group:
Last winter my '98 S90 started running rough when it was cold. As the engine warmed up it smoothed out. As the weather warmed up, it has not improved. Still rough starting in a 68 F morning. It is getting worse. The sterring wheel vibrates!

It has no codes and the independent mechanic with a computer system can find nothing wrong. I suspect it might be the water temp sensor that reports to the ECU, but that is just a guess.

Anyone want to offer a cause?

Thanks in advance,

-- S' V'






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New Rough running when cool. [S90-V90][1998]
posted by  someone claiming to be sevenvolvos  on Fri Jun 13 11:40 CST 2008 >


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