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Power Strokes
7.3 Tech
Truck loses power after acceleration and SES light comes on
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[QUOTE="Pigman, post: 1400158, member: 13778"] I bought a 2001 F350 exactly two weeks ago and it has run great up until Wednesday. I installed a Hydra chip from GH on Wednesday and when I test drove it, I got about 1/2 mile from my house and it was almost like the engine had died during acceleration. The SES light came on and the engine was running but it was idling very roughly. I pulled into a driveway, shut it off, waited about 5 minutes and it fired up normally and I got it back to my house. I rearranged the cable for the chip, thinking maybe it was pinched, and I drove it for the next hour with no issues whatsoever. Then I drove 20 minutes to work yesterday morning with no issues, driving in the Economy and Street tunes and pushing it fairly hard. Then when I left work yesterday it started up and idled fine, but when I got out on the main road and started to accelerate it stalled out again and I wound up having to get it towed back to the house. After reading through forums for hours last night, I went to the dealership this morning and bought a grey CPS thinking maybe that was the issue. After the new CPS, the truck started and idled fine for 10-15 minutes. Then I drove it 3 miles before it stalled out on me again during a hard acceleration. I had a friend come pick me up and when they got there I cranked it up one more time just for the hell of it and it ran long enough for me to get it home, although it did stall out about 100 yards away from the house so I had to coast the rest of the way. Also, just to be clear, the engine doesn't completely stall out and die. It still runs and I can rev it up a little bit, but there is a SIGNIFICANT loss of power. I'm hoping to get it towed to the shop sometime next week to get codes pulled and get to the bottom of it, unless I can figure out the issue before then. Any ideas? [/QUOTE]
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Truck loses power after acceleration and SES light comes on
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