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Discussion Starter · #1 ·
Installed new edge pulsarv3 with cts3 monitor on 2020 l5p. Truck ran great at first stock defaults. Changed speed limiter to 117 mph. Went for another drive on power level 5. Truck ran very strong and consistent through all gear changes was able to find a place to open it up and on several pulls at exactly 107 mph the truck shuttered and through DTS of p0089. Fuel pressure regulator proformance. Ran data log desired frp at 107 was 31 afrp was 35. Outside of this speed the truck runs absolutely wonderful. Any suggestions.


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