I really do wonder if its ECU faults. If you read Honest John Focus Review - good and bad section - you will also see issues with later versions of non eloys dpf on 2007-2011 Focus. There are even issues with the post 2011 Focus too, see also Honest John, but Ford have developed software patches for the ecu for that later model. Hi folks, I have a MK2.5 Focus, 1.6 TDCi from 2010. It's the pre-DPF model. It has developed recently an annoying fault, whereby when I am driving along regardless of speed or engine load. The centre screen pops up with 'Engine Malfunction!' when it does this the car makes the alarm noise like yo Wiring and connection problems can cause the ECU to malfunction, resulting in a range of engine problems including misfiring, stalling, and reduced power. Like any computer system, the ECU is subject to glitches and bugs that can cause it to malfunction or fail completely. We generally recommend that you have your Ford Focus ECU repaired or I think I've got a wiring/connection issue with my 2010 fiesta 1.6 diesel (95 bhp). From time to time during normal driving the engine stalls and a P0251-13 code shows up on my OBD scanner. This code refers to an open circuit in the fuel inlet metering valve. I think my problem is probably caused by a bad connection to the ecu rather than to Posted October 2, 2016. according to your cover its the end red 50amp fuse, could be the relay at fault , wiring from fan module to pcm, fan module, fan, etc. . put your reg into www.ford.etis and check for outstanding recall. was one for fan module issues, i can see thats not been done on your car ( extra wiring, connector in fusebox) Quote. 2. 0UmT. Ford Focus Mk3 2013 1.6 Tdci Diesel Engine Control Unit ECU BV6112A650DGA #5 £49.95 14-18 FORD FOCUS MK3 1.0 PETROL MANUAL COMPLETE ENGINE ECU KIT H1FA-12A650-BB (Fits: Ford Focus) Part Number: 3NFG / 3M5F-12A650-AL. Ford FOCUS Engine Size: 2.0 Years: 2001 - 2005. Get Yours Rebuilt £150.00. Part Number: 4M5112A650HC / S118934101C. Ford FOCUS Engine Size: 1.6 Years: 2003 - 2007. Get Yours Rebuilt £200.00. Part Number: 4M5112A650HF / S118934101F. Ford FOCUS Engine Size: 1.6 Years: 2004 - 2011. Wiring and connection problems can cause the ECU to malfunction, resulting in a range of engine problems including misfiring, stalling, and reduced power. Like any computer system, the ECU is subject to glitches and bugs that can cause it to malfunction or fail completely. We generally recommend that you have your Ford Focus ECU repaired or Hi, first post of a new member. My daughter's Fiesta 1.4 TDCi 2008 (mark 6 facelift) has some problem that I am hoping someone can help with. When she bought it the car seemed fine but on the way home (motorway driving 70mph) I noticed about 6 times the car would lose power for less than a second and then recover. On my brother’s 1.8tdci 2008 focus I rewired the hs canbus from ecu to electric power steering pump to abs to obd connector to instrument cluster. All connections soldered as I wanted to make sure it was fine. It did fix the problems on that car which had been plaguing us for a while. I posted it all on here back in 2019.

ford focus 1.6 tdci ecu problems