01 24v Idle and driving issues
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01 24v Idle and driving issues
Have a 2001 Dodge Ram 2500 with a 5.9 H.O 6 speed with 301xxx miles Dropped the tank changed the sending unit and when I put it back up bolted everything back in drove it for about 20 miles when it warmed up completly it was stutter buck and jump like trying to learn how to drive a manual and it would also smoke blue and white smoke I tested to see if the head gasket was good redone all the fuel lines it also has a fass lift pump on it and also have a inline filter behind the lift pump my edge tuner says I have 33psi steady in fuel pressure at idle and when I drive I’m brand new to any kind of forms ever I feel stumped on this
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it Throw 0216 for vp44 timing and 0252 and also 0235 but I figured if it was a bad vp44 it wouldn’t be specifically only right as the motor warms up and I don’t have a dead pedal so when it starts studdering I can hit the gas and it still responds and it’s getting 33psi of fuel pressure until it warms up it runs like a scolded dog
Last edited by Forest White; 05-23-2019 at 02:08 PM.
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There is no o2 sensors on a Diesel. For the fuel pressure 33 psi is about double what it should be, the vp44 is sensitive to fuel pressure, low fuel pressure is what kills them most often but high fuel pressure isn't good either. 14-17 psi is ideal. Do you have the Fass pump with the adjustable regulator? If so you can turn it down, if it's the non adjustable it sounds like it has the wrong pressure regulator spring in it.
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