Quote:
Originally Posted by NoHaveMSG
That is because the DI/PI injection ratios change as the car warms up. You are getting more direct injection, and less port so the high pressure pump starts making more noise.
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Not true
Just at start and cold start, is using a lot of PI, between 100% and 50% but shortly after it switch directly into the regular DI/PI and despite 3 different tables for different coolant temperaturr are present, they are all the same, so the ratios don t change