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Message: [QUOTE="nah308, post: 1242490, member: 16661"] Hi all. I have a 2003 7.3 ccsb 4x4 relevant mods are php hydra chip and edge insight CTS also ford AIC. I have recently been having an issue with the truck rpm dropping like it was about to die then suddenly revving back up. Chased around the chip for awhile recleaning pcm contacts and problem seemed to go away, this was several months ago. Did it again a few weeks ago but actually died while idling in park. usually I would have no codes but that time I had a few cylinder contribution codes. Memory is a little foggy but I replaced the CPS with a new motorcraft one from my local ford dealer. Again problem seemed to go away and I thought it was fixed. Now recently I have been having a shift flare in the 1 2 upshift which would seem unrelated. Upon hard acceleration the other day the truck seemed to die and lose power (happened in middle of traffic so I was more focused on safely getting off the road). However truck started right back up and seemed normal. now today on my way home from work, the trans seemed to shift funny after pulling a hill and suddenly my speedometer dropped to zero, i dont remember tach reading. I got out of the throttle and coasted then got back on it and truck seemed to move. got it pulled in a parking lot and as soon as i stopped the truck died. I restarted it and made it home. List of codes is as followes: p1249 p1000- I feel this is unrelated/ chip related but normal p0232 p0460 p0476 p0741 p1740 p1727 Thanks in advance for the help, my AE is down currently due to issues with my pc but im going to try to borrow a computer. This issue seems very overwhelming currently and I appreciate any help that can be offered. [/QUOTE]

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