mxbadboy03

i pulled the codes and it says 172 173 176 177 right side lean code and right side rich code and also the same on the left does this mean the o2's r bad ??? also got a 327 DPFE or EVP circuit below minimum voltage of 0.2 volts what is this?

mjr46

check and make sure the ground for the o2's is hooked up, also was koer run with engine up to operating temp??

mxbadboy03

yea i replaced both those codes r gone now i have a code 51 which is Engine Coolant Temperature Circuit Open (CM,O so how do i fix that and i also have a 332 which is EGR valve opening not detected but i have a egr delete sensor so why am i getting this

TrimDrip

With the 51, did you wait until the car was at operating temp before you ran the codes? If so, maybe it is time to put in another sensor.

from6to8

hey whats going on? I have a 95 also and just got a 327 code for EVP or DPFE circuit below minimum voltage. What is that and what did you do to fix yours?