1999 Pontiac Montana Repair Question
99 turns off when you press on gas or start driving....
Is the check engine light coming On?
no, no lights are on
Clean/Test the idle air control valve and EGR valve if okay-check the MAP sensor-
haven't checked that but i will look into it. another question how do i know if the EGR valve is good
EGR valve testing:http://www.youtube.com/watch?v=IIUFw2KR6rU
my husband said that we have put a new idle air control valve also and his father looked at the EGR value said it looked good but wasnt tested..is there a place i can take it to for checking on the EGR vaule..