OBD1 Trouble codes

[cyberpine]

Good source for info on DTC OBD1
http://www.troublecodes.net/GM/


Getting 34
MAP sensor(voltage low)
MAF sensor


I found the oil pressure sending unit, but can't reach it (6'2, 250).

[wannabe]

I have the same problm, exactly. :lol:

[Johan King]

check your egr valve that could be worng some time that give that code