beeans

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Question Asked: blazer running very rough
July 21, 2009, 03:38 PM
My Blazer has been sitting for about 10 months and has been started a few times within those months.. It now runs very rough.. when first started, it idles very hard up and down, up and down. Then when I go to drive it, it acts as though the gas is being cut off from it and jerks very violently.. I'm not sure if anyone else has had the same issues. It is a 4 door 5 speed 4x2. It may be the egr valve, I'm not sure.. the fuel filter was change 2 years ago. please help.
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