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pinging on s40 t4

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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stolenkiss1
Posts: 1
Joined: 1 January 2013
Year and Model: s40 t4 1999
Location: Perth Australia

pinging on s40 t4

Post by stolenkiss1 »

Engine sounds like pinging under load, goes away at normal road speed. I use 95 octain fuel. also when A.C. is on idle varies and seems to surge.
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