The 75 and ZT Owners Club Forums - View Single Post - Engine code P0174, vacuum leak, o2 sensor? uneven fuelling

rich17865 · 3rd July 2014, 17:53

Running lean, is it possible the upper inlet manifold is letting in air somewhere?

Maybe the vacuum connection for the LPG kit?

3rd July 2014, 17:53	#3
rich17865 This is my second home Transit Connect Join Date: Feb 2011 Location: Crewe Posts: 9,532 Thanks: 868 Thanked 1,619 Times in 1,095 Posts	Running lean, is it possible the upper inlet manifold is letting in air somewhere? Maybe the vacuum connection for the LPG kit?