Trying to find a vac leak to explain my P0401, hooked up the scanner and the lowest psi I saw was -10.0. This seems low to me from idle to WOT I usualy see -8.0 to 8.0 PSI. Any help is appreciated.
3.8l L67
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04-17-2013
Trying to find a vac leak to explain my P0401, hooked up the scanner and the lowest psi I saw was -10.0. This seems low to me from idle to WOT I usualy see -8.0 to 8.0 PSI. Any help is appreciated.
3.8l L67
04-17-2013
401 isn't that egr related? You should be looking at vacuum in in/hg
04-17-2013
It is, sadly no one was able to help me correct it ive narrowed it down quite a bit. Not the EGR valve (replaced) or connections, not MAP sensor (replaced) No Vacuum leaks, the tube from the LIM to the EGR pedestal is good. As far as I know its readable both ways I can get it in in/hg if it'd help.
04-17-2013
04-17-2013
I have Its not the common things it usually is, egr valve or MAP sensor, ive been stuck on this since I purchased the car.
http://www.grandprixforums.net/p0401-again-help-76254.html.
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