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  1. L

    lml won't start/ long crank to retire after it gets warmed up

    someone told me to take the return lines off of the injectors and check to see how much fuel they are returning. they also said it should only be a squirt out of each injector. my injectors are only returning a couple of drops, but fuel is still pouring out of the the return lines them selves...
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    lml won't start/ long crank to retire after it gets warmed up

    do i need that special tool to remove the injectors?
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    lml won't start/ long crank to retire after it gets warmed up

    new fprv is in. it did not totally fix the problem. it is not returning as much fuel as before but still to much none the less... all injectors maybe? i guess i will be pulling the returns off the injectors one by one tomorrow to see which is returning to much fuel...
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    lml won't start/ long crank to retire after it gets warmed up

    yes tank was dropped and clean. drove the truck for 2.5 hrs today and it ran flawless, just couldn't shut it off because it will not start back up until it has cooled off. i ran the match tools maximus 2.0 scan tool for the entire ride and the injectors as well as the fuel pressure were perfect...
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    lml won't start/ long crank to retire after it gets warmed up

    The for on the rail? Cause the one on the pump is brand new
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    lml won't start/ long crank to retire after it gets warmed up

    okay i did a little more digging and started to do a bottle test, fuel is pouring out of the return. i also noticed the supply line has 2 kinks in the little 5 inch section of braided hose
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    lml won't start/ long crank to retire after it gets warmed up

    is there a sure fire way to check injectors? i was told balance rates should be =/-.2 which all mine stay in that range. #1 -1.24, #2 0.56, #3 0.44, #4 -2.45, #5 0.45, #6 3.81, #7 -3.15, #8 0.67
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    2011 Chevrolet 2500hd

    laroche904 submitted a new Showcase Item: 2011 Chevrolet 2500hd Read more about this showcase item here...
  9. 2011 Chevrolet 2500hd

    2011 Chevrolet 2500hd

    2011 Chevrolet 2500hd
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    lml won't start/ long crank to retire after it gets warmed up

    i replaced the cp4 pump only and cleaned entire fuel system last week. Finally got the truck to fire and run. it takes 20-30 pumps to get the primer firm. it has no visible leaks around it and all the lines from it. when the motor is cool it fires right up. after running for 5-10 minutes and...
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    2011 2500hd replaced cp4 and still won't start!!!

    a random question, when i try to erase the codes they imediatley pop back up. if the eco has the p0128e code stored, would that cause the no start
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    2011 2500hd replaced cp4 and still won't start!!!

    that was the price in store
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    2011 2500hd replaced cp4 and still won't start!!!

    The old pump was toast, I got a brand new cp4 for $540 directly from Chevy.
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    2011 2500hd replaced cp4 and still won't start!!!

    one of the pistons in the pump seized up
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    2011 2500hd replaced cp4 and still won't start!!!

    never replaced injectors, spoke to local diesel shop and was told to replace pump and clean rest of fuel system. then put it back together and see if it would throw a misfire
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    2011 2500hd replaced cp4 and still won't start!!!

    i honestly don't know, i was just told that i needed a scan tool to check rail pressure? is that correct, and if so what kind of scan tool?
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    2011 2500hd replaced cp4 and still won't start!!!

    i replaced the cp4 pump on this truck and went to start it and it just turns over and will not start. I'm getting 4 codes p2002, p2453, p11db, p128e info on truck: 2011 2500hd 150,xxx miles replaced pump and timed it correctly cleaned entire fuel system charged batteries and it still won't...
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