Question about 2007 Chevrolet Tahoe

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An error message stating reduced engine power can across my message board when I start my 2007 Chev. Tahoe LTZ. The engine light is on and a traction control error message. The odometer/car does not move when accelerating, it feels more like I am braking. Can you help?

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Traction cotrol problem take it to the dealer

Posted on Jan 31, 2010

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I have an 07 avalanche z71. I was driving the other day and the truck went into reduce engine power traction control disable check engine light and service air bag. Now it does it after five miles.


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My tahoe has the traction off light what doe that mean?


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Reduced engine power on


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The "engine power is reduced" light comes on


po455 is Probable Cause[s]

1. Defective, loose or missing fuel cap
2. EVAP canister broke, hose cracked or not connected
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Engine power is reduced keeps showing on the dash screen, as does service traction control. the car is running rough and has no power when this occurs.


how do you fix the "reduced engine power" light on the dash bard of a 07 Chevy Impala LTZ and "Service Traction Control"?

Feb 12, 2010 | 2006 Chevrolet Impala

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Service Throttle Control


It sounds like these things are all related. When the a computer sees a problem in the Electronic throttle system, it will dissable traction control, and give the reduced engine power alert because the powertrain computer does not know the value of throttle postion.
Codes will need to be scanned in the computersto begin diagnosis.
TechJK

Jan 30, 2009 | 2007 Chevrolet Impala LS Sedan New Cars

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