Wicked Wheelz Install
Elder User
Joined: Aug 2007
Posts: 914
Likes: 1
From: Saskatoon, SK, CA
So this problem I can see reoccurring in the future just like the older Cummins. When the lift pump pukes, the HPFP gets fried. The Cummins guys would put a pressure switch into their HPFP supply line that would turn on a light when the lift pump puked. Are we all wanting to do this too or does the computer monitor the lift pump pressure and shut the truck down when the lift pump pukes?
Also curious as to any gains from the wicked wheelz upgrade. Something I may consider.
Laughing Gas
Joined: Sep 2007
Posts: 1,051
Likes: 4
From: Caro, MI
Our trucks have a fuel pressure sensor switch. When my lift pump started to go I got warnings of low fuel pressure. Didn't shut the truck down but I didn't let it die before replacing it. Replaced it and then 6 months later I also replaced the fuel pressure switch due to a leak.
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Junior User
Joined: Jun 2014
Posts: 79
Likes: 0
Well guys it doesn't look like I will be able to post anything this Saturday as the dealership is now 2-3 days behind with returning the truck. (Monday/Tuesday was when it was supposed to be finished). I just wish that they would have said later on in the week this way if they finished it *early* I would have though it was great that I got my truck back sooner than expected but nope they apparently gave me an unrealistic deadline twice now. If it is not done tomorrow, I will post the outcome of a meeting with the service manager.
FTE Chapter Leader
Joined: Sep 2011
Posts: 63,179
Likes: 6,643
From: Great Falls, Montana
Well guys it doesn't look like I will be able to post anything this Saturday as the dealership is now 2-3 days behind with returning the truck. (Monday/Tuesday was when it was supposed to be finished). I just wish that they would have said later on in the week this way if they finished it *early* I would have though it was great that I got my truck back sooner than expected but nope they apparently gave me an unrealistic deadline twice now. If it is not done tomorrow, I will post the outcome of a meeting with the service manager.
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Junior User
Joined: Jun 2014
Posts: 79
Likes: 0
Well got the truck back today and talked with the mechanic to find out why it took so long. The low pressure pump and lines had to be cleaned out due to sediment in the lines/pump. He had to take all that apart and clean it. Now I just have to troubleshoot some my HIDs because he didn't wire them back in properly so they don't want to work right and then tomorrow I have to take it back to talk with the mechanic to see why my low pressure pump is making a god awful noise. Yay... Normally they do great work for me but this time it is not the best...
Tuned
Joined: Oct 2005
Posts: 341
Likes: 2
From: Bloomsburg,PA
add a dieselsite fuel filter/seperator , pricey but that should take care of the sediment in your fuel
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Junior User
Joined: Jun 2014
Posts: 79
Likes: 0
Well I owe an apology to everyone I figured out why my fuel pump was making noise. My low fuel light lit up and so I went to put 5 gallons into it and the noise stopped. Air in the line... As far as the fuel separator I got a air dog II to pull out any air in addition to sediment this way it is feeding clean diesel without any entrained air in the system
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Junior User
Joined: Jun 2014
Posts: 79
Likes: 0
Ok to update everyone:
I have not really scene any MPG increase (still running the same MPGs), the EGTs like to hang out around 7-800 when cruising at 70 mph and will spike to 11-1200 if I floor it. I didn't have a pryometer in until after I had completed the install of the compressor wheel. So if anyone can pass word on this it would be great. The biggest difference is what happens when I smash the pedal. No turbo lag. It at 1200 - 1300 RMP it has spooled up to around 10psi boost and it doesn't take much it will hold there until it levels off or you decide to go faster.....At less then half the pedal I get full boost almost immediately. Now just have to save up for a tuner so I can "liberate" the turbo.
For towing it will take me a while longer to reply as I no longer have a trailer and will have to borrow my buddies.
I have not really scene any MPG increase (still running the same MPGs), the EGTs like to hang out around 7-800 when cruising at 70 mph and will spike to 11-1200 if I floor it. I didn't have a pryometer in until after I had completed the install of the compressor wheel. So if anyone can pass word on this it would be great. The biggest difference is what happens when I smash the pedal. No turbo lag. It at 1200 - 1300 RMP it has spooled up to around 10psi boost and it doesn't take much it will hold there until it levels off or you decide to go faster.....At less then half the pedal I get full boost almost immediately. Now just have to save up for a tuner so I can "liberate" the turbo.
For towing it will take me a while longer to reply as I no longer have a trailer and will have to borrow my buddies.
