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cyberpine
10-21-2009, 07:54 AM
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
11-25-2009, 08:56 AM
I have the same problm, exactly. :lol:

Johan King
03-02-2010, 05:44 AM
check your egr valve that could be worng some time that give that code