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Reduced Engine Power - 2003 Chevrolet Tahoe

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Hello, What have you done soo far with the engine? What size is it? What did you and this started?

Posted on Jun 01, 2014

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My engine speed reduced light came on along with traction turned off on my 2009 Pontiac g6. when i accelerate it jerks.


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Refer to Throttle Actuator Control (TAC) System Description for the 2.2L engine, Throttle Actuator Control (TAC) System Description for the 3.5L engine or Throttle Actuator Control (TAC) System Description for the 3.9L engine
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Jerry, Drive to a good shop. So many things can cause reduced power light unfortunately. The first step would be to get the truck hooked up to a scanner/computer and have the computer scanned for trouble codes. One thing that you could try is to drain the water from the water separator that is mounted on the frame under drivers front door. If the PCM picks up on water, power is reduced until water is removed/drained. It could be an exhaust sensor that is reading faulty. Unfortunately from here its impossible to tell you exactly what the fault is because there are just so many engine sensor inputs that could cause your problem. Check the attached links, forums,instruction and guides, Good luck
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Reduce power light on has no throttle and keeps giving throttle accuator cdes


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Dec 10, 2012 - Tech Tip: Reduced Engine Power Message Displayed on GM Vehicles ... Model year 2008-'10 vehicles must have the engine control module (ECM) reprogrammed ... Do not drop the electronic throttle control components.

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I have a 2003 Cadillac CTS. It continues to go into reduced power mode. How do I correct that.


Are you getting a ENGINE POWER REDUCED message ? Is the check engine light on ?
Reduced Engine Power Mode
Throttle Actuator Control (TAC) System
electronic throttle control .
When the ECM detects a condition with the TAC system the ECM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
?€¢
Limited torque


?€¢
Limited range of throttle movement


?€¢
Engine OFF


Your going to need to take this to a ASE certified repair shop or the dealer , you probably don't have the diagnostic tools to trouble shoot this problem.
https://youtu.be/oPPLAHSSluw

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What does engine power reduced mean


This is a symptom of the on board computer detecting an issue with the engine / operability. It has placed the engine in limp or reduced power mode to minimize potential damage. You may see a check engine or service engine soon indication on the dash with this problem. Some auto parts stores can scan the car's computer to get the code(s) causing the the reduced power mode. Many times, this issue needs to be addressed by a mechanic however.

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Engine power reduced chevy impala


engine power reduced means that the CPU has placed the ECM in a safe operating mode and reduced power to lessen the risk of serious engine / transmission damage. Stop and check oil level and coolant level at the radiator cap. have the fault codes read urgently so as to prevent damage to the units

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Reduced Engine Power light


With GM vehicles a Reduced Engine Power message has to do with the electronic throttle control .


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Service engine soon and reduced engine power


disconnect batt. for 30 min. then reconnect,if no problem exist the lights will go away

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