Whats the maximum fuel pressure in a Gasoline and Diesel engine?

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Posted by:
Rasmy Mohammed ElDeeb
18-October-2013

<p>There is a maximum pressure that the fuel pumps deliver in a Gasoline and Diesel engine.Both are not the same.Specify them in bar.</p>

Automobile

Question added by Abhiram Ghosh Panikkassery , Training Manager and Technical Support/Dealer Improvement , Jaidah Group
Date Posted: 2014/11/24

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4 Answers

by Amit Kumar , Manager International Marketing , Varroc Engineering Pvt.Ltd.

the modern fuel pumps deliver fuel at a pressure range of2.5 to3.5 bar

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by Thomas Ollukkaran , Plant Operations , The Canning Industries Cochin Ltd

On diesel engines, it features a high-pressure over1,000 bar 15,000 psi.

on petrol engines with fuel pressures up to1,800 bar or26,000 psi.

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by HUMAYUN KABIR KABIR

In Gasoline Engine the air mixture is.7:1. but in the Diesel Engine's mixture is to high.Gasoline Engine is Spark Ignition(SI Engine) and Diesel Engine is Compression Ignition(CI Engine) .

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by Prashant Panchal , Service & Bodyshop Advisor

There are2 fuel pumps.. one is low pressure and another high pressure.. low pressure pump of petrol and diesel can generate pressure from2.5 idleing to5 bars full throttle. And high pressure on petrol is around120 bars and on diesel is150 bars.

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