Question about Hyundai Accent

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Car will not accelerate

When i press on the gas pedal too fast the car refuses to accelerate and it downshifts right away, to be able to go over 60 kmh i need to slowly press on the gas pedal.

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  • 9 Answers

It sound like you have a vacunn problem, I don't know what year is your car, but basic trouble is your electric system don't reconize you want acelerate and don't change the timming spark.

Posted on May 09, 2014

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YOU MAST HAVE A CHECK ENGINE LIGHT ON, HAVE SOME ONE READ THE CODES, IF YOU ARE IN WILMINGTON ma COME BY MY SHOP. Unique Auto Care
611 main street, 01887
if not go to a auto zone, get the code, I well say it is a bad Mass air flow meter or worst scenario a clogged catalytic convertor. good luck.

Posted on May 09, 2014

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6ya6ya
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Posted on Jan 02, 2017

emissionwiz
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SOURCE: 96 cavalier wont accelerate

You have may have one of the following issues, low fuel press due to a pump or plugged filter, a plugged exhaust system, mainly the cat converter, a defective MAF sensor. Do you have any trouble codes

Posted on Jul 31, 2008

  • 141 Answers

SOURCE: Acceleration issue

Just a suggestion, but the EGR valve can cause that problem. If that checks ok, then I would have the catalytic converter checked for clogging. Both ideas would cause that specific problem. I sincerely hope that this can solve the problem, or at least head you in the right direction. Best wishes.

Posted on Jan 17, 2009

Molson02536
  • 3854 Answers

SOURCE: 1993 Lexus Ls400 loss of power at 2500-3000rpm

Check your MAF and MAP sensor. The first 80% of your throttle signal from the TPS works with the O2 sensor to try to keep the air fuel ratio to 14.7 to 1 with the ECM controlling the fuel injector spray time and timing the ignition. After the 80% to WOT the ECM puts the O2 sensor in to an open loop and takes the Reading form the MAF and MAP sensor to run the engine richer so there will not be any Detonation to the engine and burning holes in the valves for running too lean. That is why it always feel like you get a little more when you ease off on the gas peddle from WOT. Recap check the TPS, MAF,and MAP sensor and wires to those sensors, if you can get the car scanned that would be great and you may find out which sensor may have gone bad, the other thing to is the fuel pressure regulator may be going bad and at WOT the pressure may be to high causing it to run to rich causing the loss of power. Good luck and hope this helps. 

Posted on Jul 04, 2009

rtpflh
  • 546 Answers

SOURCE: whirring noise every time the gas pedal is pressed

check the level of the power steering fluid,check belt tension & condition

Posted on Sep 23, 2009

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SOURCE: My car jerks whenever I press the gas pedal. When

If it doesn't **** to the left or right, then check your engine and transmission mounts.

Posted on Dec 21, 2010

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