We turned our forklift on this morning and fault 51-2 came up on our dash and now it's stuck in limp mode. Any idea's what that fault code is and how to fix it?
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I just got the same code. Did replacing that part fix the issue?
Follow up: We replaced the throttle positioning sensor. Fully expected it to start working immediately. When it didn't work. We checked the throttle input/output. Notice the code was gone, no throttle. Remove pedal and dialed the sensor by hand. Re adjusted the input shaft to the pedal. Forklift is running.
Throttle position sensor not tracking correctly. Look at the throttle pedal, shaft going through it possibly loose or worn bushing, also check where it goes into the sensor. This throws the throttle sensor out of adjustment. The old pedal assemblies had plastic bushings where the new ones are brass I believe. Good Luck
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