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Anonymous Posted on Jan 01, 2014

What does this mean

Reduce engine power and service tracker system light

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tyven baldwin

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  • Posted on Jan 31, 2014
tyven baldwin
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5 Related Answers

Anonymous

  • 35 Answers
  • Posted on Dec 29, 2009

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.

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jamie

  • 1810 Answers
  • Posted on Jan 05, 2010

SOURCE: i am getting a reduced engine power message and

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

Anonymous

  • 396 Answers
  • Posted on Jan 16, 2010

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.

Anonymous

  • 714 Answers
  • Posted on Feb 27, 2010

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.

Joseph Prosser

  • 780 Answers
  • Posted on May 28, 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.

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Related Questions:

0helpful
1answer

What does engine power reduced mean

It mean the electronics in the vehicle has put a limit on how much of the power the engine has. 'Reduced Engine Power' means you are only getting some of the power the engine has. Do you have any warning lights on your dashboard?
This usually happens because the vehicle has found a fault in the system it thinks is serious, reducing the power to prevent damage. Take the vehicle to a Good mechanic and they will be able to tell you why it is happening.
Please comment below if I can give you any more help.
0helpful
1answer

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.
26292552-e3dd2fy2eifukirtcxqvw02d-5-0.png
0helpful
1answer

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
0helpful
1answer

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
0helpful
2answers

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.
0helpful
2answers

Code p1221 on 2002 Chevy Trailblazer

its drive by wire system you need a new throtlebody/ acuator
11helpful
1answer

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.
0helpful
2answers

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.
18helpful
1answer

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
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