Question about 2007 Chevrolet Impala LS Sedan New Cars

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Service Throttle Control

The panel in my 2007 Chevy Impala says Service Throttle Control and it also says something about traction then says engine power is reduced then stops. Please tell me something!!!!!!!

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  • Alex Earl Jan 10, 2013

    My 2006 Impala is doing the same thing after replacing the throttle body motor, accelarator petal an the throttle body sensor!!!! Alex

  • Anonymous Mar 21, 2014

    I have a 2008 Chevy impala and the engine reduce power comes on

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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

Posted on Apr 18, 2009

  • chuckiemob18
    chuckiemob18 Aug 18, 2012

    So how can I fix it

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My 2007 chevy impala check engine light is on sayin reduced engine power but mine wont start whats tha problem

Posted on Jul 30, 2011

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You have a problem with the electronic throttle control . You need to have it checked for codes , could be a few different thing's Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault Code P1516... P2138 APPS Accelerator Pedal Position Sensor Fix 3 5L Chevrolet Impala Lot's of codes for this , Drive by Wire Function and diagnostics by Wells


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2011 chevy impala traction control


There are a few reasons this might happen. Believe it or not it could be as simple as a loose gas cap. That can cause a false reading in the throttle position sensor, and activate the traction control. Remove the gas cap and put it back on making sure to tighten it until it "clicks". Another reason may be a faulty throttle position sensor, or it has a glitch, thus activating thr traction control. Try the "Old Fashioned" fix of disconnecting the battery for about an hour, to reset the computer. After you reconnect it, turn the key to the ON position but don't start it. Slowly press the accellerator to the floor and release. Turn the key back off, wait a few seconds then start the car. This should take care of the glitch, if not it's most likely the throttle position sensor needs to be replaced.

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2011 Chevy impala engine power reduced


Like ALL Vehicle problems, the car has to be scanned
with professional test equipment, to find any codes &
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Mar 05, 2013 | 2011 Chevrolet Impala

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I have a 2010 Chevy impala. Service Traction control, Engine Power reduced and Service Stabiltrak message comes on. Also check engine light comes on and a triangle with a car in the middle and slippery...


had the same trouble with my '10 impala it turned out to be defective electronic accelerator pedal it is actually a recall for this vehicle and should be a free repair at your dealer.

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Chevy HHR 2008 LT 2.4. Message ESC OFF, SERVICE TRACTION, and ENG PWR REDUCED. What to do? Can I drive car whit this problem.


Hello and welcome. the engine reduce power waraning is the key to the other problems. this is normally a problem with the electronic throttle system. the engine control module disables the traction control system when it detects a engine problem, in your case a problem with the electronic throttle system. you shouldnt drive with this concern. this is normally covered under the vehicles 100,000 mile warranty. you need to conteact your nearest dealer for help

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Traction light on , reduce engine power lights on 07 ss impala what does that sound like .


I know this is not a solution but I too started having this same problem today. Start car, runs normal then all the sudden it feels funny, traction control light blinks on and dash displays service traction control-reduced engine power. This causes my car to sputter like it is going to stall I have to pull over and turn my car off and back on to drive off (only for it to do it within the next 10 minutes). I thought turning TC off would work for now just to drive it, no not successful stil does it : ( I TOOK IT TO AUTO ZONE AND HAD IT SCANNED HAD A CODE FOR GROSS EVAC LEAK AND SOMETHING ABOUT THE THROTTLE PLATE/BODY NOT SURE IF THAT IS RELATED BUT THAT ALL THE INFO I HAVE ON THAT.

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1 Answer

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
3. Purge or vent solenoid defective
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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

2 Answers

I got code p2176 I changed out the tps still got same problem did not have this problem with other engine just changed engine out now cant seem to get this code off causing the car to rough idle and low...


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Did you use all you old sensors,or is some of them from the new engine,I would swap out the IAC sensor or check for wires not hooked up.
If it can't relearn to idle the Idle air control might be different then your old one,but its not registering with the computer

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