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What are the reasons for car acceleration problems?

Mechanics Automobile Acceleration Automotive Repair Cars
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Question added by Ahmad Sameer , Sales Director , Instant Access Company For Sales And Trading Of Construction Equipment
Date Posted: 2019/05/22
Upvote (0) Views (9) Followers (4) Answers (4) Report Question
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وسام الكيلاني
by وسام الكيلاني , مشرف موقع , شركة عمار انترناشونال

The reason back to the drivers ...if one car has two drivers that will make many problems in the engin and in acceleration ....the second reason relted to the company making car...about efeincy of materials maked this point

Ahmed El-Shafei
by Ahmed El-Shafei , Mechanical Engineer (Marine ) , Alexandria Port Authority

weak fuel pump or Dirty fuel injectors 

AZHARUL ISLAM
by AZHARUL ISLAM , Engineering firm , Nitol motors ltd.service

  •  1-Mass Air Flow Sensor.
  • 2 – Oxygen Sensor Malfunction.
  • 3 – Malfunction of TPS.
  • 4 – Dirty or Clogged Fuel Filters.
  • 5 – Clogged or Dirty Air Filters.
  • 6 – Timing Belt.

Kashif Mehtab
by Kashif Mehtab , Principal Pakistan Aeronautical Complex Institute of Technology , PAC

Faulty acceleration pump or blocked nozzle in the venturi could be possible reasons, or the complete opposite like engine misfire due to overflooding. In Injection pump systems, it could be a number of things from air lock to improper injection nozzle flow to a faulty spring. Still the modern EFI systems are more efficient and reliable because of reliable air sensor,  throttle positioning sensor and the electronic management system .  

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