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Buick lacrosse problems

Reduced power light comes on, but when you pull over and turn the engine off and restart there is not a problem.

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  • Donnie Branscum Dec 31, 2013

    This problem is on a 2010 Buick Lacrosse

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1 Answer

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  • Cars & Trucks Master
  • 803 Answers

Have the engine codes pulled , it will indicate why the computer put the vehicle in "reduced power" mode.

Posted on Dec 31, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

SOURCE: SES light then Reduced engine power light, loss of engine power

Hi It me Mohammad Siddiq my dear. First of all it will be wise of use to take your vehicle to a dealership or any other fully equipped w/shop. They can better tell you what the fault your vehicle has. But at the same time if your friend has the same model vehicle so you can exchange some parts with that vegicle, e.g., Mass Air Flow or TPS (Throttle Position Sensor) and can check your vehicle. These parts do not need to be programmed with scan tool. Just Simply replace these parts and switch on the ignition and wait for 01 minute, then switch off for 30 seconds and then start the engine. Now road test your vehicle, if no SES light or reduced power then there was fault with the part/s replaced. So Return those parts and now you must replace these parts with new or used ones. Anything else I may be contacted on my yahoo id siddiq_pathan@yahoo.com. Thanks. I am an auto technician and working in a GM dealership in Saudi Arabia. I am from Pakistan.

Posted on Apr 28, 2009

  • 462 Answers

SOURCE: engine power reduced

Locate the IP to body harness connector, which may be located in and around the left hand kick panel area or inside the IP. Check to see if there is a water leak into the area and repair as necessary.

Posted on May 24, 2009

abauto
  • 353 Answers

SOURCE: why does reduce engine power light comes on chevy

That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

You can go to most auto parts stores and they will pull the codes for you for free.

Posted on Jul 27, 2009

  • 3 Answers

SOURCE: service engine soon and reduced engine power

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

Posted on Dec 20, 2009

  • 336 Answers

SOURCE: reduced engine power silverado 2006

You need to have the computer scanned for trouble codes. Whatever happened stopped after you restarted the engine, but the engine light wont go off until the ignition cycles many times without any problems. Any parts store will scan your truck for free. Have them scan it and clear the codes, and come back here and let us know what code/s you get.

Posted on May 16, 2010

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Reduce engine power light comes on 2005 buick lacross


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