If your tenth generation (2009, 2010, 2011, 2012 & 2013) Toyota Corolla with the 2ZR-FE 1.8L I4 engine hasn’t been running well recently, you might need to change the PCV (positive crankcase ventilation) valve. Check out my DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2009-2013 Toyota Corolla 2ZR-FE 1.8L I4 Engine PCV Valve Replacement Guide
