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Unread 01-14-2014, 05:04 AM   #1
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Join Date: Jan 2014
Posts: 11
Need Help!!!

I have a 2005 Chevy Malibu 3.5L V6 that is displaying "engine power reduced" message for the second time. The engine light kicks on and traction control is forced off. The throttle becomes extremely weird when this happens. This is the second time of this happening. The first time, I warmed up the engine a little with a heat lamp and kerosene heater to melt any frozen moisture that might have caused something. Then I disconnected my battery, therefore, resetting the computer. I left it disconnected for about 30min and then reconnected the battery. It worked fine after that and ran 100% normal, but now it's doing it again. Not sure what to do next. Thanks for reading! All suggestions and ideas will be taken into consideration!!!

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Unread 01-19-2014, 09:44 PM   #2
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1981 CJ7 
Join Date: May 2013
Location: Peterstown, wv
Posts: 1,267
its going into whats called limp in mode. you need to have it put on a scanner, a real one not the one at autozone that will tell you its an o2 sensor. ive seen it a few times in those Malibu's and every time it was caused by it being bounced off the rev limiter. (spinning in the snow) usually it will go into limp mode when the computer thinks there is something going on that will cause serious damage to the engine so it cuts the power so you can limp it to a shop and not continue driving it ignoring the MIL
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Unread 01-20-2014, 07:08 AM   #3
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Posts: 11
I just got it back from the shop. It was a $510 fix. The throttle body needed replaced along with throttle body gaskets and positioning sensor. Thanks for the replies though!
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