1999 Suburban 5.7 Not Starting
August 28th, 2012, 9:37 PM
#21
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August 30th, 2012, 8:29 PM
#22
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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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