Fuel System Archives • Danny's Engineportal.com

Fuel Pressure Regulators – Function, Failure Symptoms And Testing

March 27, 2021

All fuel-injected engines have, fuel pressure regulators, to maintain a regulated high-pressure level. Above all, fuel pressure regulators, must keep the pressure constant; in order for all of the components of the fuel injection system […]

Fuel Pump Relay – Function, Failure And Testing Procedures

March 11, 2021

The fuel pump relay is activated, whenever the ignition is turned on. So, the primary function of the fuel pump relay is, to maintain a consistent voltage supply, to the fuel pump. Consequently, the fuel pump […]

Fuel Getting Into Engine Oil – Causing Premature Wear Of Engine Parts

March 1, 2021

Fuel getting into engine oil is bad, because it will dilute the oil causing engine damage. Because, fuel getting into engine oil, causes the oil to lose viscosity, lowering engine lubrication. Consequently, fuel getting into […]

Fuel Wash – What Is It – What Can Cause It – How To Eliminate It

February 7, 2021

There is a condition that contributes to many failures of engines generally referred to as “fuel wash”. The only thing protecting your cylinder walls and bearings from fuel wash is, the thin layer of oil […]

Fuel Injectors – Will Usually Only Fail, In One Of Three Ways

January 28, 2021

So, fuel injectors are now used in pretty much all passenger vehicles. Fuel injectors are a vital part of a complex, fuel management system. Furthermore, new technology has made fuel injectors more precise than ever, […]

Mass Air Flow (MAF) Sensor - Measuring Volume, Density, Temperature

Mass Air Flow (MAF) Sensor – Measuring Air Volume, Density, Temperature

January 3, 2021

So, almost all newer vehicles on the road today, use a mass air flow (MAF) sensor. The mass air flow (MAF) sensor, measures the volume and density, of the air entering the engine. Furthermore, the […]

Noid Light – How To Test Fuel Injectors Using A Noid Light

January 2, 2021

How to test fuel injectors using a noid light, is easier than you think. So, a fuel injector noid light kit should be on your must have tool list. Also, noid lights come in a […]

Engine Fuel System Testing – Proper Testing With Solutions

November 29, 2020

So, the engine fuel systems job sounds pretty basic. It delivers fuel from the fuel tank to the engine. Testing the engine fuel system is relatively simple. The engine fuel system consists of the filler […]

Fuel Injector – Deposits Can Build Up And Clog The Fuel Injector

November 15, 2020

A dirty or clogged fuel injector can cause classic engine problems. For instance, lean misfire, rough idle, hesitation and loss of power. It doesn’t take much of a restriction in a fuel injector, to lean […]

Electric Fuel Pumps – How Do They Work – How Can They Fail

October 15, 2020

Electric fuel pumps are fairly simple but rely on many other systems to function properly. The Electric fuel pump is responsible for delivering pressurized fuel from the fuel tank to the engine. When the ignition […]

Loose Gas Cap – Evaporative Emission Control System (EVAP) Self Test

July 2, 2020

Among the many causes for a check engine light to come on, a loose gas cap is among them. Consequently, the most common cause of a check engine light coming on, is a loose gas […]

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