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Acceleration issues - BMW Cars & Trucks

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Can you describe a bit more about what Acceleration issues you're having and with what model and year? A system scan will likely tell you where the problem is.

Posted on Nov 18, 2013

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Posted on Jan 02, 2017

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Acceleration issues and whistling noise while accelerating


I think the problem as to do with the clutch in the transmission

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Cannot accelerate 1987 E350 motor home


If it idles but bogs when the accelerator is pushed, it has carb issues(if it has been sitting for a long time probably has carb issue) or low fuel pressure. If its low fuel pressure then it could be a bad/clogged fuel filter, fuel flow problems from the tank to the fuel pump, or a bad fuel pump.

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Car will not accelerate properly


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Kia carnival diesel engine start and run but no acceleration..what a problem cause...


Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.


To confirm the problem, the basic troubleshooting is required.


Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

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Also its advisable to go through this additional help links:----

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

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How exactly the Vehicles Accelerator Cable works?

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


How exactly Vehicles Accelerator Pump Diaphragm Works? http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

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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

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Car loses power while acceleration? http://schematicsdiagram.blogspot.com/2011/12/car-loses-power-while-acceleration.html

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This will help.

Thanks.

Feb 16, 2012 | 2006 Kia Carnival 2.9

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My 2006 Ford Fusion has issues. When driving, if you take your foot off the accelerator, it jerks so bad and slows down...I mean JERKS... as it slows down, then when you want to accelerate again, it sticks...


Most likely issue is your accelerator position sensor. Recommed you remove it and test with an ohmmeter. I don't have the pinout, but there are only four pins. Find the two pins that have a change in resistance when the arm is rotated. The resistance should change smoothly as you rotate the arm. If it jumps around, replace it. Cost is about $75.

Jun 09, 2017 | 2006 Ford Fusion

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Acceleration Issues - Fuel Injection Problem?


A pressure test needs to be done to determine if the right amount of fuel is being delievered. Another thing that can happen is the TPS can be out of range, or even bad.

Mar 04, 2010 | 1996 Saturn SL

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Question to Toyota Ed: How would you explain Toyotas with Sudden unintended acceleration in cars that have the Denso pedal in them? I have heard that Volkswagen Jettas are also using the Electronic...


Hello, Zman777.

According to the material provided by Toyota, the Denso pedal does not have the alleged acceleration issue.

Also, according to information that has been provided by Toyota, the alleged acceleration issues is being caused by two possibilities;

One is additional placement(s) of floor mats on top of the factory floor mat. The extra mats are not secured, and can move around the driver side footwell, and, in the worst case scenario, move on top of the accelerator pedal, and trap in into the 'applied' position. I myself have experienced this mat/entrapment issue during a road test.

The other possibility is that certain accelerator pedal mechanisms may mechanically stick in a partially depressed position or slowly return to the idle position. Over time, the internal mechanism in the accelerator pedal my become worn. As a result of this wear, combined with certain operating and enviromental conditions, friction in the mechanism may increase and intermittantly result in the accelerator pedal being hard to depress and/or slow to return or, in the worst case, stick in a partially open position, increasing the risk of a crash.

In short, according to what we have been provided, the issue is mechanical, not electrical. The modification that Toyota dealerships are performing rectify this issue, and, this modification has been approved by the NHTSA.

Nowhere has it been found that the vehicles with the alleged acceleration issue have 'accelerated' without warning, as in sitting still, and the car is suddenly going 100 mph. None.

What 'could' happen, if the pedal 'was' sticking, is, in my opinion, an 'Unexpected Non-Deceleration' condition.

If you were going 15 mph, and the alleged issue appeared, when you let off of the gas pedal, the car would continue at 15 mph, and NOT accelerate to 100 mph, as has been falsely mentioned in the media.

Regarding VW, sorry, I cannot comment on VW, or any of their systems, I am not a certified VW mechanic.

I hope that this info helps you out.

Feb 09, 2010 | 2009 Toyota Corolla

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Cuts off at 70mph when accelerating.


Best thing to do is go to an Auto Zone and have them scan your truck for any DTC codes. Auto Zone scan free of charge, there is just to many things that can cause the engine issues your running through such as detonation during acceleration due to timing issues to lack of fuel pressure. Good luck and keep me posted, be glad to help you get your truck running 100%

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2007 toyota corolla stop accelerating, pushing gas


throttle position sensor needs to be changed

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Loss of acceleration and power on 2003 dodge ram 1500


The acceleration may be an issue with the clutch or with engine.  If it is a manual tranny, you may have a worn out clutch.  For automatic, you may need to have the solenoid cleaned or have the tranny serviced
Other issue could be on the engine, check first the fuel filter especially if you encounter loss of power when running.  

Jun 12, 2009 | 2004 Dodge Ram 1500

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