3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

lost power after it was in the shop

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Old Jul 16, 2009 | 06:48 PM
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crittergetter's Avatar
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lost power after it was in the shop

I had two injectors go out #1,3 had them replaced with wiring harnesses under warranty. When i leave the dealer it only had about half the power it had when it went in the shop. i called and told them and they said it was fine when they drove it. i came home and on the way the water in fuel light came on. i drained the can and changed the filter. there was some water in the can. about a ounce are two. but no change. so i drain 99% of the tank refilled with new fuel and changed the filter again and there was little more water not as much but still no change even when i turn on the edge there is no difference. even on level five there's not black smoke at all. it like i don't even have a box on it. HELP FIRST THE FAN NOW THIS I"M READY TO TRADE IT IN BUT IT"S PAID FOR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old Jul 16, 2009 | 07:27 PM
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Maybe you just have some bad fuel and thats it. I sure hope that the fan and this problem you have now isn't really going to make you trade it in. You will never own a vehical that won't have problems.
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Old Jul 17, 2009 | 10:20 PM
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Originally Posted by dslpwr81
Maybe you just have some bad fuel and thats it. I sure hope that the fan and this problem you have now isn't really going to make you trade it in. You will never own a vehical that won't have problems.
i tried that took the tank out cleaned it out really god put it back in with new diesel and some sea foam in the can. and it ran good for about 1 minute and back to no power. what the hell could be going on
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Old Jul 17, 2009 | 11:39 PM
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From: lyman, utah
check your map sensor connection, they may have disconnected it and not reconnected properly
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Old Jul 18, 2009 | 04:25 AM
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Hope that they not flash your brain box.
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Old Jul 18, 2009 | 04:16 PM
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Ok.so you had water contamination............2 bad injectors?Water will damage all the injectors and the cp3
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Old Jul 19, 2009 | 08:00 AM
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i didn't have much water in the tank. if what little water i had damage all the injectors and the cp3 then i don't know how any of this truck keep running. isn't that what the can is for to keep the water out of the motor?? so what would you look at first cp3 or injectors.
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Old Jul 19, 2009 | 10:46 AM
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From: Sunny Southern California Land of Fruits and Nuts
I would check for max flow from cp3 and also pull FCA look for any rust or corrosion. If actual fuel pressure reading fluctuates more than +/- 500 psi from the set point, then replace the Fuel Conrol Actuator (FCA). NOTE: After the acutator is removed, check for debris or corrosion on the FCA. If debris or corrosion is found, replace the entire Fuel Injection Pump. Disconnect high pressure fuel line from CP3 and install hose. Place end of hose into container. Crank over engine until you have fuel at end of hose then Crank the engine for three (3) 10 second intervals (Note: This will give you 30 total seconds of flow time. These are broken into 3 separate intervals to prevent damage to the starter). Fuel flow specification s based on engine cranking speed. If you do not collect the stated amount of fuel in 30 seconds, replace the pump:
Minimum fuel pump flow at 150 rpm cranking speed is 70mL
Minimum fuel pump flow at 200 rpm cranking speed is 90mL
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Old Jul 19, 2009 | 11:02 PM
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Originally Posted by BigIron70
I would check for max flow from cp3 and also pull FCA look for any rust or corrosion. If actual fuel pressure reading fluctuates more than +/- 500 psi from the set point, then replace the Fuel Conrol Actuator (FCA). NOTE: After the acutator is removed, check for debris or corrosion on the FCA. If debris or corrosion is found, replace the entire Fuel Injection Pump. Disconnect high pressure fuel line from CP3 and install hose. Place end of hose into container. Crank over engine until you have fuel at end of hose then Crank the engine for three (3) 10 second intervals (Note: This will give you 30 total seconds of flow time. These are broken into 3 separate intervals to prevent damage to the starter). Fuel flow specification s based on engine cranking speed. If you do not collect the stated amount of fuel in 30 seconds, replace the pump:
Minimum fuel pump flow at 150 rpm cranking speed is 70mL
Minimum fuel pump flow at 200 rpm cranking speed is 90mL
thanks thats what i was looking for
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Old Aug 17, 2009 | 11:06 PM
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Any updates?
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