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Po4db code since i install the turbosmart bov and k&n air cold filter

9K views 2 replies 2 participants last post by  GoodRun 
#1 ·
Po4db code since i install the turbosmart bov and k&n air cold filter... I need help, how can i fixed
 
#3 ·
got this from another forum hope it helps

( P04DB - Crankcase Ventilation System Disconnected
Description: This DTC sets when the crankcase ventilation sensor voltage drops below 2.5 V. Possible Causes:
VBPWR circuit open
Diagnostic Aids: Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test C
)
 
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