Error Codes P042E & P0405
FORD C-Max II (DXA/CB7, DXA/CEU)
8 
322 
21.10.23 Back to topics
Diesel complete loss of power when accelerating
FORD FUSION (JU_)
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FORD FUSION (JU_) 1.6 TDCi@user_1866444 Sep 15, 2023MemberHi – any advice would be really appreciated. My diesel TDI Fusion has been a great little reliable car. It has had two problems in the last couple of weeks and I assume they are linked (but they might not be!)1. Twice the car would not start at all – new battery, turning over beautifully. Suspected air in fuel. Changed fuel filter. Primed engine. Finally fired and ran. Did it again a second time which was strange.2. When accelerating hard (and possibly when engine is cold) the engine has several times had a hickup (a loss of power) and last week, it just stopped completely. Instantly – engine warning lights came on . Just left me with no power. Tried to start, wouldn’t as I rolled along, tried to bump it, nothing , then I turned the key and it started. And ran perfectly well for the rest of the day!)I have looked every where for leeks in the fuel to see if air is getting in. I ran my little scanner and no errors. My neighbour ran his decent OBD scanner and still no errors.I described it to my mechanic this afternoon and even he wasn’t sure where to start! Anyone got any advice? It’s just so strange that it is running perfectly in between. Can’t be running a car that suddenly loses power though, especially as my son drives this car!!
Reply 15.09.23 19.09.23 -
@Pabod1976 Sep 15, 2023MemberHello. You should contact a good car service center, the fault is not trivial, there may be something wrong with the electrics, but it could also be the high pressure fuel pumpReply - FORD FUSION (JU_) 1.6 TDCi@user_1866444 @Pabod1976 Sep 19, 2023MemberThanks for the response. I have spent some time with the scanner again and after clearing all of the faults. I drove it for a short time and it came up with crankshaft position sensor. It also wasn’t recording the speed which points to this as well I think.I will get a pro to sort it but at least I can direct them somewhere!Reply
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- FORD FUSION (JU_) 1.6 TDCi@user_1866444 Sep 16, 2023MemberMany thanks for taking the time to reply. I will do that.Reply
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