1999 Suburban 5.7 Not Starting
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Joined: Feb 2011
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From: Middletown DE
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Joined: Aug 2012
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Replaced relay and truck now starts but runs rough at idle. Is this one of the previous mentioned codes. I believe one was o2 sensor and the other was random cylinder misfire. The light has come back on just have to run up and have them pull the codes again but am assuming they are the same ones.
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99expressman
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May 24, 2023 10:44 AM
