OBD-1 trouble codes

[abel8a]

my 95 Ford explorer 4x4 got a code 327-EGR valve pressure transducer position sensor circuit below minimun voltaje and a second one, 332- EGR valve opening not detected, can someone please translate what that means and what I need to replace so it can pass the smog test, thank you.

 

[MrShorty]

A trouble code by itself really does not tell us what part to replace -- it only gives us a good starting point for diagnosis.

I would start by determining if the 327 is a KOEO or CM code (see my notes on pulling EEC-IV codes thread in the EEC-IV subforum if you are not sure how to tell the difference).

Assuming it is a KOEO code, I would then inspect the wiring between the PCM and the DPFE (EGR sensor). If the wiring between the PCM and the DPFE all checks out, then I would replace the DPFE.

 

[abel8a]

koeo

 

[abel8a]

thats what i plan to do, replace the dpfe, will keep you posted. thank you very much, Greetings from Tijuana Baja California, Mexico.