P0171 - System To Lean
Thread Starter
Newbie
Joined: Apr 2008
Posts: 14
Likes: 0
From: Montreal,Quebec
P0171 - System To Lean
so ive been having idle issues as of late when i installed the intake manifold and the throttle body .
today i get cel , and system is to lean.
urgh. any suggestions.. im starting to get a little frustrated.
today i get cel , and system is to lean.
urgh. any suggestions.. im starting to get a little frustrated.
Evolving Member
Joined: Aug 2007
Posts: 386
Likes: 3
From: South Jersey
Check for vacuum leaks. Also make sure the MAP sensor is reading manifold vacuum. Also try cleaning your MAF sensor. The idle issue definitely sounds like a vacuum leak. Is the idle too high?
