Question about 2007 Chevrolet Impala LS Sedan New Cars

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I have a 2007 impala with 3.9 getting reduced engine power message and service traction control system. when problem occur the engine idles real rough dealer told me to clean the throttle body but that didn't help

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Posted on Jan 02, 2017

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Tech jk
  • 102 Answers

SOURCE: 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

Posted on Apr 18, 2009

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alicantecoli
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SOURCE: vw polo 1.0 1999, Rough idle, we have cleaned the

right hand side of the intake housing where the butterfly is ----a black plastic box held on with 4 star headed screws ,the carbon tracks inside are pitted and burnt

Posted on Nov 20, 2009

alicantecoli
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SOURCE: I have a 03 gmc envoy. My reduced engine power

sensors on the pedal?? not sure what you mean by paddel though never heard of this term before

Posted on Dec 14, 2009

Testimonial: "03 Envoy:My reduced engine power keeps happening. My car goes 20 mph. Changed throttle body, pedal, wiring. Need new thermostat. Car not heating up."

emissionwiz
  • 76846 Answers

SOURCE: my service traction control light keeps on going

there is a defective component in the system, almost for certain that is one of the four wheel speed sensors, have the system tested by any GM dealer to determine which one, or buy one new sensor and move it from wheel to wheel until the light goes out.

Posted on Feb 25, 2010

  • 1 Answer

SOURCE: engine power is reduced keeps showing on the dash

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

Posted on Feb 27, 2010

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Tow messages appear on the dash board: Service traction control and Engine power reduced. When this happen I can feel the shift in the transmission when I'm driving. After a while these messages d


Pretty much tells you the system with the fault

Traction Control is embedded into the abs braking
system, so diagnose that using the codes you have,
same as any other obd codes you get

The Reduced Power could be another problem & it
cuts off fuel injectors to save the exhaust converter
from overheating & being ruined

Mar 10, 2013 | 2009 Chevrolet Impala

1 Answer

2006 chevy impala traction control


Reduced power is a problem with electronic throttle contol . drive by wire . Do you know what this is ? Taking the vehicle an having it hooked up to diagnostic tool an checking for DTC'S - diagnostic trouble codes is always a first step when trying to find the root cause of any trouble light ! And not auto zone , pep boys , or advance auto parts . Thier diagnostic tool will not check codes in all system control modules .

Apr 15, 2017 | 2006 Chevrolet Impala

1 Answer

On my 2009 impala ls 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.


You need to have the engine and body computers scanned for trouble codes to point you in the direction of diagnosing the problems.

Aug 05, 2012 | 2009 Chevrolet Impala LS

1 Answer

How to reset stabilitrak on a 2007 chevy equinox


Your vehicle has electric power steering !
The Electric Power Steering (EPS) system reduces the amount of effort needed to steer the vehicle. The system uses the power steering control module (PSCM), torque sensor, power steering motor rotational sensor, power steering motor, discrete battery voltage supply circuit, and the GMLAN serial data circuit to perform the system functions. The PSCM and power steering motor are each serviced separately from the steering column assembly. However, the motor rotational sensor is serviced as part of the power steering motor, and the torque sensor is serviced as part of the steering column assembly. The PSCM also monitors vehicle speed from the engine control module (ECM) via the GMLAN serial data circuit. At low speeds more assist is provided for easy turning during parking maneuvers. At higher speeds less assist is provided for improved road feel and directional stability.
Stability System Indicator The IPC illuminates the stability system caution indicator when one or more of the following conditions exists. The EBCM sets any one of many VSES-disabling DTCs. The EBCM sends a serial data message to the IPC requesting illumination.
Traction Control System Indicator
TRAC OFF The instrument panel cluster (IPC) illuminates the TRAC OFF indicator when the following occurs:
?€¢
The electronic brake control module (EBCM) inhibits the traction control system due to a malfunction in the traction control system. The IPC receives a serial data message from the EBCM requesting illumination.


?€¢
The Body Control module (BCM) detects that the traction control switch has been pressed (signal circuit is low). The Body Control module (BCM) sends a serial data message to the EBCM in order to disable traction control. The IPC receives a serial data message from the EBCM requesting illumination. The BCM sends a serial data message to the radio in order to activate an audible warning.


Your best bet is to take it to a ASE certified an qualified repair shop ,that has the diagnostic tool to fix this problem .

Jun 17, 2012 | 2007 Chevrolet Equinox LS New Cars

1 Answer

Reduced engine power on


The traction control uses the speed sensor in the transmission and the wheel speed sensors to determine wheel spin. If a wheel spins braking is applied to it so that the power can be transferred to the other wheels. At some point the ECU detected a gross disagreement between the sensors and so as a precaution has entered into a limp home mode. On some systems if the fault is in error it can be cleared by putting the car into drive and moving forward a meter, putting in reverse and going a back a meter and doing this three times. If one or other of the sensors are faulty this process will not allow the error to be cleared. You need to check or have checked the error codes and the speed sensors.

May 28, 2010 | 2007 Chevrolet Impala LS Sedan New Cars

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
4 . Vacuum leak at engine po121 code po121 means Throttle Position Sensor/Switch A Circuit Range/Performance Problem . it is usually indicative of a faulty throttle position sensor or faulty wiring harness in the engine bay.

Feb 27, 2010 | 2006 Chevrolet Impala

2 Answers

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

1 Answer

Getting reduced engine power message


dont take the trip!
be smart and take it in to whoever fixed your air hose.

Jul 27, 2009 | 2007 Chevrolet Impala LS Sedan New Cars

2 Answers

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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