23 Voltage supply 3 - Coolant control valve and reverting valve (UB3) electrical - Open circuit to UB3 - P20A0 Vent valve (Reductant Purge Control Valve) - Open circuit
Voltage supply 3 -Coolant control valve and reverting valve (UB3) electrical - Short circuit to Ground UB3 - P20A2 Vent valve (Reductant Purge Control Valve) -short circuit low
One sign to move on is intensive Fiat-Hesston engine work, such as needing new pistons and injectors. If you hear loud clunking sounds from the engine, it could be due to the starter hitting the flywheel or a piston piercing the engine block, which can indicate a seized engine. Farmers encountering these problems have coined the saying: If your engine is knockin you better be shoppin.