Open circuit or short circuit fault of throttle potential positive pole of Wuling bread automobile

Check the idle motor, throttle position sensor, intake pressure sensor, intake branch pipe (air cleaner) crankshaft and camshaft position sensor, and adjust the timing belt. Really can't. Try replacing the computer motherboard. It is impossible for four nozzles to inject oil at the same time. Check the oxygen sensor with the decoder (unplug the oxygen sensor and try it. Adding 90 # gasoline frequently may lead to lead poisoning of oxygen sensor).