P0420 β Showing signs of a low catalyst system efficiency, it can mean that oxygen levels are too low, usually stemming from exhaust fuel systems. P0234 β This is triggered when the ECM finds incredibly high boost pressure levels way above the required range. P0700 β An issue with the transmission control module. Popular Ford C-Max fault
3 posts Β· Joined 2019. #1 Β· Oct 27, 2019. My car while driving last night came up with engine malfunction service now car started to run lumpy and car has been serviced and oil changed only 3 months ago what could it be. Reply Like. Sort by Oldest first. 3.Now sold - 2011 Grand C-Max Titanium 2.0tdci Ford Galaxy 2.0 TDCI, Mazda MX 5 NB. Refill with EOLYS176 and reset according to TIS service instructions - 1.6/2.05 posts Β· Joined 2021. #4 Β· Jan 3, 2021. Hi, thanks for replies. Yes it does have the button for the stop start and also sometimes it comes up with the symbol for it with a line through it on the dash even when it has been running for a while. Tried the sequence to reset and nothing happens and also did what it says in the handbook for using . 163 285 154 52 265 243 18 97 35