OBDII Question
-
is it just throwing a code or is it running rough? check your EGR valve ports and operation.
-
the ecu isnt going to monitor back pressure in the exhuast. it does how ever watch pressure differances in the EGR system. and if it doesnt run shitty its not going to be a plugged cat then it would just fall on its face.
does it sound like it might have some detonation if you get on it at all? it doesnt need to be running bad to be detonating but with bad egr flow you might be able to hear some. -
heres the diagnostic flow chart, get busy.




-
lol @ you ryan
-
SPANISH-RICE;163579 wrote:
lol @ you ryanonly way to know 100% whats wrong with it

Hello! It looks like you're interested in this conversation, but you don't have an account yet.
Getting fed up of having to scroll through the same posts each visit? When you register for an account, you'll always come back to exactly where you were before, and choose to be notified of new replies (either via email, or push notification). You'll also be able to save bookmarks and upvote posts to show your appreciation to other community members.
With your input, this post could be even better 💗
Register Login