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S40 Service Light - Misfire in cylinder 1 and 4

posted by  someone claiming to be rhls40 on  Thu Feb 16 11:59 CST 2006 [RELATED]

Greetings all,

My wife's 2001 S40's service engine light just came on. With my hand new scan tool, I understand the two error codes to indicate misfires in cylinders 1 & 4. So now what?

The car has 92K, and we just bought it, so don't know previous service history. No evidence of change in engine performance. No new noises, etc.

Replace spark plugs?

Many thanks,

Raymond







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