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Vacuum Leak?

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
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PetiteVrouw28
Posts: 1
Joined: 5 June 2013
Year and Model: 2008
Location: United States

Vacuum Leak?

Post by PetiteVrouw28 »

My 2008 S40 was functioning perfectly fine until my A/C went hot and my check engine light came on shortly after. The car seems to have trouble with rapid acceleration, you can hear it working much harder than it does on gradual acceleration. It also stalls occassionally if I try to take off and then break suddenly. I've replaced the MAS but this has not corrected the issue. Could it be a vacuum leak?
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