po171 and 174 codes
#1
po171 and 174 codes
what is the cause of these codes lean bank 1 and 2 I hear heard check oil cap mass air flow sensor and check some hoses. Which hoses are they and where are the located? any think else it could be? 02 randger 4.0 liter.
Thanks
Conrad
There is a rubber elbow that connects to a log tube from under the throttle body to rear of engine. Elbow was crack replaced rubber elbow cleared codes and was fixed thanks all.
Thanks
Conrad
There is a rubber elbow that connects to a log tube from under the throttle body to rear of engine. Elbow was crack replaced rubber elbow cleared codes and was fixed thanks all.
Last edited by ranger02; 05-21-2009 at 06:22 AM. Reason: update
#2
Could be a ton of things. Generally it's a leak in the intake, somewhere. Start by checking for anything loose on the intake, follow it to the engine looking for any holes, lose hoses, etc. Could be a bad intake manifold gasket, etc.
Just start looking for anything lose or disconnected first.
Just start looking for anything lose or disconnected first.
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