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Message: [QUOTE="jkidd_39, post: 214485, member: 649"] I am dropping RP bad towing home today. 2008 F-450 elite studs, Egr blockoffs, S&B intake, dpf gone, KEM 210TP, 130k miles, 20k on brand new shortblock Pulling 7k trailer with 12k load. 29k gross. Just changed my fuel filters yesterday. Ran fine heading to jobsite Tuesday w/ empty gooseneck. Loaded up and came home. I usually hold 23-25k RP and 35-37# boost up hills. No issues. But now I will dive to 13kRP and it will fall on it's face. If I don't barely throttle up the hill it will slam to 3-5k RP and make some nasty noises. Also had #8 injector replaced last week under warranty. Another strange thing. From a stop to go up a hill. I can drive it regularly and go right up fine. But if I'm doing 65 @ 2500 rpm it will drop RP. And this problem seems intermittent. Some hills I pull fine. Others I die on. Makes me think it's either a bad pump or electrical? Then again every hill is different. I'm so ready for a 6.7. Any ideas guys?? Thanks alot for the help!! Sent from my iPhone using Tapatalk while pulling a 36ft gooseneck and not paying attention to the road. [/QUOTE]

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