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fuel pump adjustment

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fuel filter question

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Fuel pump Adjustment

On the fuel pump where the fuel "feed" is turn up or down, there is a "bolt" which has what appears to be a brasslike nut on the outside of it. Forgive me for not knowing all the proper names :( I know this is where a "friend" of mine turned up my pump and for quite some time my truck ran REAL STRONG :D well recently my truck has been "dying" and my boost has dropped from 30 to around 12, :confused: come to find out this so called "friend" had turned back down my pump, :( due to what he thought was transmission problems. (long story I am not getting into, but lets just say it has been a LONG! 4 months, I now have a newly rebuilt transmission and torque converter) Well the other day when I went to turn up the pump I found the outer brasslike nut had silicone on it, :confused: I also found out why it had silicone on it. It had been stripped out :mad: So here is my question. Can I unsrcew that completely out and replace it, or is this a major project? My truck is a 93 D250 2WD with a Banks.
 
If you are referring to the full power screw? then yes you can turn all the way out. As far as getting another screw, you may have to try a local fuel injection shop. Good picture in post " power seems less with pump adjustment"



mark
 
It almost sounds like you're referring to the idle adjustment--that's the long threaded rod that has a lock nut on it which acts as a stop for the throttle linkage.



This page has more details, including a diagram of the pump.



Mike
 
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