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Old 03-13-2009, 04:15 AM
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well i was rolling @ 40 last night .. with cold weather .. when all of the sudden @ 6200+ rpm . . .my rpm's go down so does my MPH. .and my PCU display " engine power is reduced " WTF* . .any-b had this issue with the nbbs' ?


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Old 03-13-2009, 04:53 AM
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ur cluster might b f'd up....... u still got the warrenty if so get it checked at........
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Old 03-13-2009, 04:55 AM
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not sure off hand. but incase you didn't know. When that happens just pull over, key off for a minute and then start it back up. Should reset so you can drive normal again
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Old 03-13-2009, 10:49 AM
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yeah turned if off' . . back on . and normal. .. any ideas .. what could of caused this '
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Old 03-13-2009, 06:54 PM
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Reduced engine power is usually caused by an accelerator pedal position sensor fault or throttle position sensor fault.
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Old 03-14-2009, 10:31 AM
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X2 on the TPS in cold weather. When we had a cold snap here in FL (20s from our normal 60s or 70s) a lot of LSx trucks had that same problem and it was traced back to the TPS.
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