Quote:
Originally Posted by Reanimotion
possible it's going into fuel-cut during cranking
make sure the cranking RPM is set low enough in "Cranking / Startup Settings"
it should be 50-100 rpm below your lowest normal cranking speed
mine is set to 50
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Thank you Steve!
I've checked rpm on my PC display during cranking, effectively I see that it fluctuates from 150 to 0 rpm, clearly when the ecu reads 0 the DPR goes to negative value.
I've changed the VR sensor with a new one but the problem is still there, during normal drive conditions the crank sensor works great, I've data logged some minutes in normal drive condition, no issue at all.