1997 Nissan Sentra "dpfe sensor towncar" Questions

body and cleaning the passages behind it where gunk builds up can help. But this code is suggesting you replace your DPFE Sensor. If problem occurs intermittenly after that, then replace the EGR Valve

...sensor EGR (DPFE). These things work together.They are easily cleaned by removing the cover on the rear of the intake manifold. these ports are small, and easily clogged by carbon, and oil ...