any clues on code P0252

Question

engine mngmt light flashes and looses power. It self resets after about 3 or 4 restarts but comes back on again after a few days use. Have replaced fuel filter on engine and replaced quantity control valve to no avail.

Answer 1

With P0252 the fuel filter is the first step this ensure that the quality of the fuel, The next would be the injection valve . These vehicle are known for faulty fuel pump, If the engine exhibits roughness, rough idle , there was success in replacing the fuel pump,