Volvo AWD S40-V40 Forum

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Rough Idle...lower mpg S40-V40

2001 S40....Rough idle. I changed the plugs, no change. It always ran smoothly at idle, you wouldn't know the engine was on...Now, the car vibrates at idle...What should I look at? What is the 'go to' list for this? I can't just keep popping $$$ into parts. Any ideas? Plus, the MPG's have gone down!






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New Rough Idle...lower mpg [S40-V40]
posted by  AlanS  on Sun Jun 2 16:06 CST 2013 >


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