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Toyota Yaris D4D
14-01-2019, 15:52 PM,
Post: #1
VToyota  Toyota Yaris D4D

I have a Toyota Yaris D4D XP130 2011 model. I went to a tuner to mod my car to Stage 1 but on the stock dyno it showed 80hp instead of 90. He suggested to take it and check the turbine of the car as he thinks that's the case. On the other hand the previous owner has removed the dpf from the car. The car on techstream showed a DTC P1608 (loss of power) but on my way home I went through the highway and really gave it a go and revd the car for a long time. Now there is no DTC errors but still seems to lack some power. 

So for me to at least check that the turbine is working, I hooked it on my techstream and checked the live values on the go. 

My problem though is that I don't know what the correct values should be. Like, what is the range for the boost pressure? What for the boost pressure deviation? What are the normal values for the MAF? 

Sorry for the long post and thank you all smile
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