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spark knock V70-XC70 1998

hi my 1998 volvo v70 has 207k the fuel injection cleaning was done by volvo dealer and they cleaned up some carbon as well and i use 91 octane gas will try chevron techron and use 93 octane and see what happen if not maybe i better start leaning towards a vacuum leak






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New spark knock [V70-XC70][1998]
posted by  1998 volvo v70  on Sat Oct 5 13:07 CST 2019 >


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