Swapped rail on a 5.9 and now idle pressure is 11k

W1cked

W1cked

Diesel Junkie
Joined
Feb 4, 2007
Messages
382
Swapped out the 5.9 rail to the 6.7 rail and changed nozzles from 80% to 170%.
My idle rail pressure now is almost 11k. I am using the 5.9 rail pressure sensor
 
Poulina said:
I assume it idles and drives a bit funny? or no
Click to expand...
One would think.

OP the rail pressure scaling will have to be updated to match the scale of the 6.7 RP sensor.

Sent from my motorola one action using Tapatalk
 
biggy238 said:
One would think.

OP the rail pressure scaling will have to be updated to match the scale of the 6.7 RP sensor.

Sent from my motorola one action using Tapatalk
Click to expand...

He's using the 5.9 sensor on a 6.7 rail.
 
It's due to the different nozzles. Sometimes big nozzles will actually flow a bit less at idle. It's pushing further into the map to maintain idle is what it seems to me. Do you have a v2?
 
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