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Read articles →Owner-filmed repair walkthrough focused on the F0827 EGR fault code that throws the XR4155 into limp mode. Covers the full valve replacement (part cost noted at roughly $555, $570), the exact tools needed, connector and bolt locations, and a money-saving tip: disassemble the old valve first to check for a sticking motor before spending $600. Ends with a practical bonus showing how to use a cheap Bluetooth OBD2 dongle and the Torque app to read and clear codes without a dealer visit. Best for XR4155 owners, and likely Boomer 40 owners, facing the same code.
An owner-operator sharing hands-on repair experience from their own property, with no apparent commercial or dealership affiliation.
It is an EGR code that puts the tractor into limp mode, killing power so you cannot get mid-range on a hydrostat or climb a hill.
A light, quarter-inch extensions, a 12mm socket, a 10mm socket, a quarter-inch ratchet, a Phillips screwdriver, and a flathead screwdriver.
Yes, using a cheap ELM327 Bluetooth OBD2 dongle plugged into the OBD2 port and the Torque app on your phone to read and clear codes.
Take the old valve apart first to check if the motor is sticking from rust or debris before buying a replacement, since that was likely the actual issue.
