Thread: New 5.3 LM7 low on power
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Old 03-06-2013, 05:45 AM
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TomM TomM is offline
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Sounds like its going into limp mode. Check fuel pressure at rail for starters, could be a bunch of things, need more details. Is it drive by wire, what's your trans, what is exhaust setup. Are you running a MAF or speed density tune..........

T,
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