Has anyone ever had any luck cleaning the DPFE Sensor?
I have a '97 F-150, FI, V6, 4.2L, 2wd that I have had P0401 and P1151 codes on. I have changed out the O2 sensor bank 1 - sensor 1 and got rid of the 1151's.
Today, I bought a DPFE Sensor and after removing the old one, noticed a lot of carbon (or something) built up at the ports and inside the hoses. It was built up inside one hose almost to the point of complete occlusion!
I sprayed carb cleaner into the ports on the old sensor and through the (rubber) hoses. Hmm, that won't disolve them will it???
Anyway, cleared the codes and took it for a spin (about 5-6 miles).
No CEL, no hidden codes, and seems to be running a bit better. Of course I know that is not enough distance/time to know for sure, but I wanted to know if anyone has ever had any success at cleaning an old one.