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1986 GMC C7000 C7D042 8Cyl 10.4L

lose power and mis fires sometimes

Asked on 8/22/2011 - Last updated: 8/23/2011

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1986 GMC G3500 Magnavan 8Cyl 6.2L

Loses power and back fires when giving it gas but not all the time.

Asked on 8/22/2011 - Last updated: 8/22/2011

1

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