Ford Model: Focus 1.6 TDCi Ghia & 2.0 Ecoblue estate Ford Year: 2019 UK/Ireland Location: Other/NonUK Then blank the EGR valve as soon as possible, they never Hi I have changed the EGR valve on my focus 1,6 tdci -09 calibrated the valve. I still get fault code P0490 and P042F after about 50 km. I have also checked that I have 5V at pin no 1. Any suggestions? Assistant: Just to clarify, what's the exact code? And have you tried to reset it? Customer: P0490 stuck EGR, P042F something about high voltage. Posted February 16, 2021. Hi all have multiple issues I'm working through on my car one of which is an EGR issue currently throwing a code that it is stuck open and is down on power so assuming maybe it is carbed up. I've gotten to the valve ok removed the to bolts on the back and have unclipped the metal hose clip which attaches to metal pipe Mondeo mk 3 - EGR Valve blanked - problems since - 3uga. NOx usualy forms at high temperatures and high presures. Geting exhaust gases into the intake means less oxigen in the combustion chamber and lower combustion temperatures, reducing the formatin of NOx. NOx forms at such high temperatures that is bad for engine. #2 · Jan 26, 2021 I cleaned the contacts and reseated the wiring connection to the EGR. Thought it was fixed, but it turned out that it was so cold outside (-4 C) that the engine never hit the magic temperature to cause the problem. Driving today in +5 C and the problem re-emerged. Hi, I have a 2009 Ford Focus 1.8 TDCI with 38,000 miles covered. 3,000 miles ago, at motorway speed of 70mph and having covered 60 miles, a misfire started. It became worse and the Engine Malfunction light came on. The car would only now tick over and not respond to the accelerator. Switch off and on again and the car drove reasonably ok again 8027 posts · Joined 2007. #4 · Apr 30, 2009. The PCV valve does cause the "fluttering" or "surging" if you will. Mine's bad, it makes my car lose alot of power occasionally going down the road. I can feel it "surging" down the road sometimes. OJRzC.

ford focus 1.6 tdci egr valve symptoms