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If you are new to the idea of playing with ECU maps. Read this guide before you start.
Do not play with ECU maps until you understand what they do. Mistakes can be expensive!
A BRIEF GUIDE TO ECU CONTROL OF A DIESEL ENGINE.
To control a modern diesel engine you need to control:
Fuel injected quantity (IQ)
Fuel injection timing (SOI)
Fuel injection duration
In order to control fuel injection you must know how much air is flowing into the engine and you must know the engine speed.
So you have 5 factors very closely linked.
- Mass of Air Flowing (MAF)
- Fuel Injected quantity
- Fuel injection timing
- Fuel injection duration
- Engine speed (rpm)
The following guide
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