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Robert Hewett Posted on Jan 12, 2018
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On 3 occasions when accelerating from a stop or from a very low speed my 2015 Q7 momentarily lost power like it had a governor and then regained power. Any thoughts?

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vince

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  • Cars & Trucks Master 2,530 Answers
  • Posted on Jan 12, 2018
 vince
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From what you are describing it seems like fuel starvation. This car has 2 fuel pumps, low pressure and high pressure. I'd start with fuel filter change.

5 Related Answers

Anonymous

  • 2 Answers
  • Posted on Feb 07, 2009

SOURCE: rattle when accelerating

had the same issue, had someone look and it seems the noise was caused by heat shield being loose covering exhaust system. Have that checked out.

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tosin_christ

  • 242 Answers
  • Posted on Jul 08, 2009

SOURCE: car hesitates and loses power when accelerating

have your mechanic check to see if there is a dirty fuel filter along the gas/fuel line from the gas/fuel tank to the carburettor/injector. It may so happen that there is yet one fuel filter that has been left hidden and never changed even though you have been carrying out routine service and maintenance as at when due in all these while.

as a shortcut, you can also consult the manufacturer to find out how many fuel filters are installed along the fuel/gas line please.

Anonymous

  • 1 Answer
  • Posted on Mar 02, 2010

SOURCE: my 1997 mazda 323 has suddenly lost power on

hello please give me codes of pet society

Anonymous

  • 146 Answers
  • Posted on Feb 04, 2011

SOURCE: 2000 blazer (almost 200K miles)

catalytic converter will be red hot when problem is most evident.May also be bad connection at intake boots or the intake itself spray soapy water solution at all vacuum points engine will bog down/stall if leak is present.

Anonymous

  • 1 Answer
  • Posted on Jul 23, 2012

SOURCE: '92 toyota Pickup 22re Intake air Leak???

My 1989 toyota 4x4 22re runs but when I go to push the gas it boggs down and thats when its not in gear and it does the same when I put it in gear I replased the throttle sencer steell same thang if any one has a ancer call are text 2058637613

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Not able to accelerate about 70mph(Caution Light on Dash appears), once decelerate to about 60-65mph,able to accelerate(This happens with speed control, also)

It might be a bad computer. Or someone has altered the governor setting on the car. the governor usually cuts acceleration; Most times even power to a vehicle
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Why does it occasionally experience complete, temporary loss of electric when coming to stop?

Sounds like the idle speed of your car is too low, then the alternator cannot produce enough voltage for any electrical devices. When idle speed is normal or much higher, power will return to normal very fast. It may be that the idle air control valve is dirty or defective.
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Loss of engine power/transmission 2001 chevy tahoe over 65 mph

Sound's as though a previous owner installed a speed governor so that the engine would not exceed the nationwide 55-65 mph speed limit average. This most likely was a company owned vehicle or owned by someone concerned about speeding ticket's or excessive speed by a teenage driver. It can be uninstalled by an experienced mechanic. Unless this poses a problem while driving on an interstate, you may wish to leave it as is.
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My 2007 trailblazer ss will on occasion from a stop will kick in the traction control and stabilatrac and the vehicle loses all power even though the wheels have not lost any traction( dry pavement ). It...

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To disable the Traction Control and Stabilitrak depress and hold the button under the large engage button on the shifter. There may be an issue with the idle speed adjustment for operating with the TC/S enabled.
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Engine power lost

Try these in order. Change the fuel filter,check the fuel pump pressure at speed,fuel pressure regulator vacuum at the hose or it's operation,plugged exhaust.These are the most likely causes.
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