Help!!!!
Senior Member
Joined: Oct 2002
Posts: 603
Likes: 0
From: Ohio
Car: 1985 Iroc-z
Engine: 355 sbc
Transmission: 700r4
code 12 is standard when your checking your ECM. As for the others
23. Low temperature at manifold air temperature sensor OR
Throttle position sensor error
25. High temperature at manifold air temperature sensor OR
Vacuum switching valve circuit open or shorted to ground OR
High voltage at ATS sensor
23. Low temperature at manifold air temperature sensor OR
Throttle position sensor error
25. High temperature at manifold air temperature sensor OR
Vacuum switching valve circuit open or shorted to ground OR
High voltage at ATS sensor



