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97 chevy Silverado 5.7l

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Jul 1, 2017 | 11:23 AM

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allen73

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Joined: Feb 2010

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97 chevy Silverado 5.7l

Have a rough idol, I have replaced plugs and wires dist cap and rotor, pcv and passenger side o2 sensors. Wondering if egr valve could be out expensive but don't want to replace for no reason. Any way to tell.

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