It is typically set on late model Ford vehicles. Some issues that may cause the code to appear include a defective crankcase pressure sensor, electrical issues, and a defective PCV valve. Symptoms to look out for include poor fuel economy, gasket leaks, and an illuminated check engine light. Posted August 10, 2021. I've posted this problem before with no replies. I keep getting P0236 when I start the car along with limp mode. Happens at least once sometimes twice a week, once its been running a while I can turn it off and on all day and it won't come on (eml). Has anyone had any issues with p0236 it's driving me nuts, I've had For parts or not working; Shipping. Free Shipping Turbo for Ford Fiesta Puma 1.0 EcoBoost mHEV BZJA L1BG-6K682-AA ENGINE R0DB FORD FOCUS 1.0 ECOBOOST SCTI New Ford Focus 1.0 Ecoboost review Ford is still working on PCP prices, but early indicators show our 1.0 Titanium X will be around £225 per month with a £5,000 deposit. 725. Ford Model: Focus. Posted February 9, 2010. Not to mention the fact that the 1.8 TDCi diesel has more or less the best turbo available on it. Many folk have tried out other turbo chargers and the consensus is that the stock is by far the best. Remap is a far better idea, but you'll need to declare it. Quote. AZq4G6.