The Check Engine Light may come on with no driving issues noticed. If P0401, P0402, P1400 and / or P1401 are in memory, the Delta Pressure Feedback Exhaust Gas Recirculation (DPFE) sensor is at fault. The DPFE sensor should be replaced.
Average mileage: 100,000 (89,000–120,000)
5 people reported this problem
Viewing 1 - 2 of 2 comments
The check engine light comes on. I have replaced the fuel pump, sparkplug wires and plugs. The only work that was not done by me, I had a alarm put in. I bought a scanner and hook it up to the port. It did not work. I put on my other car and it worked. Any help is welcome.
Check engine light comes on while ascending mountain roads. Goes off after reaching ascent. Check engine comes on intermittently for no known reason. always checks out okay with no problems when taken to dealer. Purchased new. Problem since day one. CA emissions pkg