4L Terrain has a P0010, P0011, P0013, or P0014, have no fear! 99% of the time this is an easy repair, that anyone with some basic hand tools ca Subject: Poor Engine Performance P0089 P228D P0171 Whine Noise From High Pressure Fuel Pump Models: 2010-2011 Buick LaCrosse 2011 Buick Regal 2010 - 2011 Chevrolet Equinox 2010-2011 GMC Terrain Equipped with 4 cylinder engine (RPO LAF) The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Causes: Low oil, Dirty oil, chafted P0172 and P0175: System Too Rich.
P0340 Code: Camshaft Position Sensor 'A' Circuit Malfunction.
