Question about 2007 Mercury Mariner Premier 4WD

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I have a 2007 mercury mountaineer, it jerks when accelerating, what does that mean?

When I accelerate my car jerks, like it's shifting hard or something

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 69 Answers

SOURCE: Car stalling under acceleration

bad fuel pump it i about to go out but hasnt gone completely out yet

Posted on Oct 06, 2008

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  • 77 Answers

SOURCE: upon acceleration the car jerks then smooths out

Check engine light on? Most problem is spark plug wire breaking down. Replace spark plugs and wires.

Posted on Apr 29, 2009

  • 5687 Answers

SOURCE: Jerking on normal acceleration.

You might try a TPS switch. It should set a code but yours did't. The throttle position sensor sets the spark advance and fuel flow to match. The other possibility is the EGR system which also should set a code.
If you have not changed the fuel filter,try that because if you accellerate hard the fuel slooshes to the back of the tank.
In normal driving the contaminents lay on the bottom of the tank.

Posted on Aug 18, 2009

  • 5687 Answers

SOURCE: 2000 mercury cougar hesitating/jerking

First, disconnect neg battery cable 10 minutes and reattach to clear codes.
Lean condition means it is not getting same fuel as other side of engine.
Since you had it scanned before, try Autozone to see if new results.
You might try a TPS switch which regulates spark and fuel feed. At lower speeds EGR starts to open-you should have code for a problem there.

Posted on Aug 18, 2009

wracefans24
  • 1985 Answers

SOURCE: I have a 2004 Mercury Mountaineer. Sometimes when

you probably should change the transmission fluid and filter with that many miles on it.

Posted on Jan 02, 2010

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1998 mercury cougar rx8 155000m Hi the few problems my car is having is when I first push in the pedal it has a hesitation and won't immedieatly accelerate. It'll finally **** and take off after...


ENGINE HESITATES WHILE ACCELERATION

LOSS OF ACCELERATION


It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

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Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

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Headlights flickering and car hesitates to start?

http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

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How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

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How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

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2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

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2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

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Wheel hop under hard acceleration?

http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

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2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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Nissan Pathfinder stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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Acceleration lag problem?

http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

-------------

These details will help.

Thanks.

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1 Answer

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I'm not sure what you mean by skips, it could be a cylinder missfire, it could be a bad coil or ignition wire

Feb 14, 2011 | 1999 Mercury Mountaineer

1 Answer

My Mountaineer accelerated while I was braking and


it could be either --throttle body sticking open will cause constant acceleration when u lift off pedal-cableless accelerator [electric gas pedal ]if a sensor or electronic part shorts out can open throttle body causing acceleration- would need to have it diagnosed to find out which problem is correct

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1 Answer

Shifts hard and jerks under hard acceleration.


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2003 mercury mountaineer lose power when


Hi, maybe there's a problem in your starter or your battery consume more electricity.

NephetZ

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