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2000 s40 misfire when cold or when under load

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40

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gjc5500
Posts: 1
Joined: 17 July 2013
Year and Model: s40 2000
Location: United States

2000 s40 misfire when cold or when under load

Post by gjc5500 »

I have a 2000 Volvo s40 that has been giving me problems lately. Took it on a trip to the hills over the weekend and now I have a misfire when it's cold or when it's under load. The only pending codes it throws when missing is p0303 and occasionally p0107. I moved the coils around and just did plugs on it

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