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Rmp spike while driving

571 views 4 replies 3 participants last post by  dh4ever77 
#1 ·
I just got my truck back on the road i drove it a while no problems then while driving 35mph the rmp red lined and come back to normal in a split second happend 5 times in 2 miles of driving i have no boost presure but the turbo whistles still there and has power
 
#2 ·
Are you talking about your RPM gauge on the dash?
 
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