Question about 2007 Chevrolet Equinox LS New Cars

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What does this mean

Reduce engine power and service tracker system light

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Does tyven mean

Posted on Jan 31, 2014

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Posted on Jan 02, 2017

  • 35 Answers

SOURCE: Service Stabilitrak-Reduced Engine Power

the engine light is a generic fault indicator in your car to point out something is not quite right with the engine, having a loss of power as well is also known in some areas as Limp Mode or Safety Mode. it means the car is restricting the power it gives to ensure no damage it done to the engine.

the only certain way to find out what is wrong is to take it to a garage that has diagnostics equipment that can read the fault codes from the vechicles ECU (the fault codes will be the reason the light on the dash has come on as its reporting a fault somewhere)..

your mechanic should be able to tell you what is wrong with the engine from that and give you a more accurate cost at fixing it.

Posted on Dec 29, 2009

  • 1810 Answers

SOURCE: i am getting a reduced engine power message and

check your oil is it time for a change or just a refill

Posted on Jan 05, 2010

  • 396 Answers

SOURCE: reduce engine power 2007 chevy uplander

Sopunds like the computer has gone into a limp mode. You need to take it in for a professional diagnosis.

Posted on Jan 16, 2010

  • 714 Answers

SOURCE: 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.

Posted on Feb 27, 2010

SOURCE: 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.

Posted on May 28, 2010

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1 Answer

Check engine light came on then reduce engine power


When this light comes on it means the computer control module has detected a fault in the system, it has reduced power to avoid any damage to the engine or transmission. You must now have the computer scanned for fault codes, this is done through the diagnostic connector under the dash see photo below.
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Sep 26, 2016 | 2006 Chevrolet Malibu

1 Answer

What does it mean when my reduce engine power light come on


Not sensor , SENSORS ! This message reduced engine has to do with the electronic throttle control !
Throttle Actuator Control (TAC) System



Drive by Wire Function and diagnostics by Wells

Oct 07, 2015 | 2006 Buick LaCrosse

1 Answer

What causes the "Reduced Engine Power", "Service Stability Control" and "Traction Control" warning lights to come on?


the "Reduced Engine Power", problem causes the PCM to disable "Service Stability Control" and "Traction Control" turning on the warning lights to come on for those systems . The reduced engine power is because of a problem with the electronic throttle control system or as GM calls it TAC system . Reduced Engine Power Mode
When the PCM detects a condition with the TAC system, the PCM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The PCM will continue to use the accelerator pedal for throttle control, however, the vehicle acceleration is limited.
• Limited throttle mode--The PCM will continue to use the accelerator pedal for throttle control, however, the maximum throttle opening is limited.
• Throttle default mode--The PCM will turn OFF the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The PCM will perform the following actions:
- Limit engine speed to idle by positioning the TP, or by controlling the fuel and spark if the throttle is turned OFF.
- Ignore the accelerator pedal input.
• Engine shutdown mode--The PCM will disable fuel and de-energize the throttle actuator.
© 2017 General Motors Corporation. All rights reserved.



Drive by Wire training Your best bet , take it to a GM dealer

Mar 04, 2017 | 2005 Pontiac Grand Prix GT

2 Answers

Reduced power light


I suggest you tell us what this mystery vehicle is so we can try to help. But from what you described i would start by checking fuel pressure at the fuel rail. And changing the fuel filter.

Aug 04, 2017 | 2000 Saturn Ls 4dr Sedan

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Code p1221 on 2002 Chevy Trailblazer


its drive by wire system you need a new throtlebody/ acuator

Jun 15, 2012 | Chevrolet TrailBlazer Cars & Trucks

1 Answer

My service engine light has been coming on for a while and now I was stopped at a light and my car killed the light Reduce engine power light came on what do you think it is?


reduce engine power message is related to your throttle system.the best way is to check first your throttle body if there is any blockage. also your intake system.

Jan 06, 2011 | 2004 GMC Envoy

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

1 Answer

ETS LIGHT CAME ON AND CHECK ENGINE LIGHT 1997 chevy cavalier 2.4


ETS is Enhanced Traction System is used to stop wheel slip thru reducing engine output. And if the light is on it doesn't mean you will spend x amount of dollars to fix it! It just means that ETS has been disabled because you have a engine problem and the computer cannot reduce power to the wheels because the engine might stall so the computer disables the system! Now some cars come with a switch by the shifter that turns on and off the system because if you get stuck in the snow traction control will keep you from getting stuck

Feb 14, 2010 | 1997 Chevrolet Cavalier

2 Answers

Power Light 2003 Chevy Tracker


The power light, seperate from the check engine light, is usually a transmission code. Have the vehicle scanned with a code reader so you can isolate the issue.

May 05, 2009 | 2003 Chevrolet Tracker

1 Answer

Reduce power and check engine lights on


reduced power usally points toward a gas pedal to throttle correlation meaning the drive by wire system is where the problem is

Apr 18, 2009 | 2001 Isuzu Rodeo

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