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The engine check light comes on while the engine is running but there is no power when the gas pedal is pressed

1AZ engine

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When the service engine soon light a yellow light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.

Posted on Dec 05, 2012


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Posted on Jan 02, 2017

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SOURCE: Engine runs rough after about ten minutes /idles really low

Just trowing some suggestions out there, but, I would check the idle air control valve (solenoid) or the throttle position sensor. If they check out then my last guess would be the map sensor or the vaccuum to the map sensor. Hope I was able to help. Best wishes.

Posted on Jan 17, 2009

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SOURCE: check engine light turned on today

take it to an auto zone, they will scan and diagnose it for free.

Posted on Mar 13, 2009

  • 221 Answers


Only way to know whats going on is to retrieve the trouble code for the check engine light by using a OBD II diagnostic's tool, it's likely the poor hesitation in the vehicle's acceleration is causing the check engine light to appear, the OBD II diagnostic tool plugs into a data link connector under the driver's side dash, you can buy one at most auto parts store's, or if you don't want to buy one some auto parts store's will do a autoscan of your vehicle at no cost.

Posted on Apr 01, 2009

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SOURCE: No power when you press on gas pedal.

If It's a VTI Trans,your having trans issues!! Re-called special policy through GM on those Vue's Check mileage & contact local dealer

Posted on May 09, 2009

  • 1 Answer

SOURCE: lexus gs300 vsc check engine light gas pedal no acceleration

I have a a 99 gs 300, check engine light is on as well as the vsc light. What is that and needs to be to done to fix it.

Posted on Nov 02, 2010

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I had a similar problem, found it to be the wastegate actuator. while driving the car was driving at 0-60mph in 5min. what was found to be the problem was a small leak in the actuator, it wouldnt give me the problem all the time just in extreme weather changes. if yours is giving u the problem all the time then have that checked out.

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Try this:
* Turn key ON (engine OFF, don't start run)
* Press brake pedal slowly 2 times
* Press gas pedal 2 times within 10 seconds
* Turn key off

Hope helps (remember rated this) Good luck.

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