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  1. H

    2011 2500hd replaced cp4 and still won't start!!!

    Did you replace the cp4 with a new one or did you convert it over to the cp3? Online the cp3 conversion is within $200 of the cp4. If you have been following my LML dilemma, (Help!!! won't start and no codes) I am almost in the same boat as you. So far, I have not lost my cp4 and injectors...
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    LED Headlights?

    Thank you for saying that, I didn't want to be the only one who hates people like this. I drive an average of 11k miles a month and I see lot's of hid's not adjusted or installed properly. Nowadays, people just don't care about others they only care about themselves and then complain when the...
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    Help with Airdog 165 blowing fuses.

    Dumb question - but did you replace the correct sized fuse in to the harness? Only blowing the fuse under load? I would also probably change that fuse location in the under hood block to a different fuse position, something less important than the ECM like maybe the a/c one, etc... I think the...
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    Help !!! Won't start and no codes

    Just got a message about my truck from the shop. The bandaid (lift pump) found a leak under the erg cooler. So, that would be where my original leak was all along. Now, they are going to tear the top end stuff off to fix the erg cooler area fuel leak. It just keeps getting better:mad: If they...
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    LMM: Looking to cut in fender vents on 08 Sierra

    Oh sorry, I was thinking LMM/LML models.
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    Help !!! Won't start and no codes

    It probably had to do with the high mileage that I have put on the truck in the past 3 years. Driving with the bad gasket (and using head gasket sealer - yes bad idea) actually built up enough pressure in the system to blow the radiator apart on the plastic end. The mechanic found that the left...
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    Help !!! Won't start and no codes

    That is a possibility, he also did not reattach the hard line brackets to the engine so they are moving around. Hey, but what do you expect for a $4500 job???:o
  8. H

    Help !!! Won't start and no codes

    Ok, then maybe the truck will have the same problem of no start once they install the lift pump since they will not be replacing those lines. Which means that the lift pump is going to work even harder than normal to suck fuel through the collapsed line. If in fact that is what my problem really is.
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    Lml fuel filter plug

    My LML has a black plug with red push tab that goes up front where the intake heater is located. When you disconnect the egr, you have to disconnect 1 - black/red and 1 brown/yellow connection on the passenger side and 1 brown/yellow on the drivers side. The black/red plug is more square shaped...
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    LMM: Looking to cut in fender vents on 08 Sierra

    Can you turn the plastic ones on the hood in to real vents?
  11. H

    Help !!! Won't start and no codes

    I guess we will see once the lift pump is installed. Are those flex lines replaced with the ones that come with the lift pump?
  12. H

    B-20 vs D2?

    You can add some cetane boost to the fuel to help with the lower ratings that you run into when up north. All the truck stops have some additives. I use the grey bottle Power Service and on the back of the bottle it says to boost cetane ratings you can add all of the 100 gallon bottle to a tank...
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    Help !!! Won't start and no codes

    That is exactly what I thought as well. Bandaid that will help but not cure the issue.
  14. H

    Help !!! Won't start and no codes

    Well, the shop decided to install an AirDog lift pump on the truck. They did not visually see a kinked line and said that the cp4 is working.
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    Help !!! Won't start and no codes

    Just got off the phone with the mechanic and he says that the truck has hard lines from tank to the primer pump's short 6" rubber hoses. They are dropping the tank to look for debris and will get back with me in a couple of hours.
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    Help !!! Won't start and no codes

    I hope that a collapsed line is all that is wrong.
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    Help !!! Won't start and no codes

    So far, the shop (Industrial Diesel of Norfolk, VA) says that the CP4 is good and that the issue is between the fuel tank and the primer pump. They ran a rubber hose into a 5 gallon bucket of fuel and the truck ran fine. Kinked line or debris in the system. Told to call back tomorrow and talk to...
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    Help !!! Won't start and no codes

    Will do, I am just sitting in the hotel and waiting for the call and the bill.
  19. H

    Help !!! Won't start and no codes

    Thank you for coming out to help me with my truck today. :thumb: It only took the tow truck 3 hrs to deliver my truck to Industrial Diesel. Too late for them to look at it today, so I will find out what is wrong with it tomorrow.
  20. H

    LED Headlights?

    That is why I chose the Putco LED so that I would not have to modify or hack my headlight housing. No fan to deal with.
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