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Reduced Performance and backfire into exhaust V70-XC70 2003

posted by  derek uk on  Thu Mar 4 09:19 CST 2021
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last visit: Fri Oct 24 12:33 CST 2014
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Sounds as if there might be a vacuum pipe somewhere with a small split. When you put your foot down the extra vacuum sucks in some air which messes up the mixture. Check them all with care, especially ones the have inputs to the inlet manifold. Even if you quickly find one with a fault, check them all.






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New Reduced Performance and backfire into exhaust [V70-XC70][2003]
posted by  SwedeFreak  on Wed Mar 3 11:38 CST 2021 >


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