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Reduced Engine Power - on startup only
2003 Yukon, 245k miles, 5.3L 2wd -- I started getting the Reduced Engine Power warning a few years ago not long after I bought this truck used from the 1 previous owner. For a year, I occasionally got the REP warning, maybe once every month or so. Then, it seemed to completely go away this...- dukbludvl
- Thread
- reduced engine power rep starter throttle position sensor
- Replies: 3
- Forum: Engine & Drivetrain
