FORD FESTIVA 1991 Service Manual

FORD FESTIVA 1991 Service Manual FESTIVA 1991 FORD FORD https://www.carmanualsonline.info/img/11/56935/w960_56935-0.png FORD FESTIVA 1991 Service Manual
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FORD FESTIVA 1991  Service Manual Copyr ight 2009 Mitchell Repair  Information Company, LLC.  All Rights Reserved. 
Article GUID: A00002347 
Page 4 of 4 MITCHELL 1 ARTICLE - GENERAL INFORMATION Parasitic Load Explanation & Test Proced

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FORD FESTIVA 1991  Service Manual Back To Article 
GENERAL INFORMATION 
Waveform s - Injector Pattern T utorial 
* PLEASE READ THIS FIRST * 
PURPOSE OF THIS ARTICLE 
Learning how to interpret injector drive patterns from a Lab Scope c

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FORD FESTIVA 1991  Service Manual Circuits with external injector resistors. Used predominately on some Asian & European systems, they are used to reduce the available 
voltage to an injector in order to limit the current flow. Thi

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FORD FESTIVA 1991  Service Manual Since DVOMs update their display roughly two to five times a second, all measurements in between are averaged. Because a potential voltage 
drop is visible for such a small amount of time, it  ge t s

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FORD FESTIVA 1991  Service Manual Lets go back to figuring out dwell/duty readings by using injector on-time specification. This is not generally practical, but we will cover it for 
completeness. You NEED to know three things: 
I

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FORD FESTIVA 1991  Service Manual The voltage controlled driver inside the computer operates much like a simple switch because it does not need to worry about limiting current 
flow. Recall, this driver typically requires injector cir

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FORD FESTIVA 1991  Service Manual Like other circuits, injector circuits can be wired in one of two fundamental directions. The first method is to steadily power the injectors and 
have the computer driver switch the ground side of th

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FORD FESTIVA 1991  Service Manual If you see more than one hump it is because of a distorted pintle or seat. This faulty condition is known as "pintle float".
It is important to realize that it takes a good digital storage oscilloscop

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FORD FESTIVA 1991  Service Manual number of windings, the more potential for a greater inductive kick. The opposite is also true. The less current flow or fewer windings means 
less inductive kick. Typically you should see a minimum 3

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FORD FESTIVA 1991  Service Manual This, coupled with the inherent resistance of the drivers transistor, impedes the current flow even more. So, what is a known good value for a 
dynamic current draw on a voltage controlled bank of in
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