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INJECTOR CORRECTION IN COMMON RAIL WHAT DOES IT MEAN HOW TO READ TO UNDERSTAND WHEN IT IS GOOD, WHEN IT IS BAD, THE VIDEO SHOWS A SYSTEM WITH A KNOCK SENSOR WHERE ITS READING AND GRAPH IS ANALYZED BY THE ECU THIS IS A VERY COMPLEX RANGE ALSO DEPENDING ON THE ENGINE TEMP, SYSTEMS WITHOUT THIS SENSOR HAVE A DIFFERENT RULE OF READING FROM THE GRAPH .. HOW DOES IT RELATE TO THE ENGINE'S OPERATION I INVITE YOU