Battery problem?

DXP55

DXP55

DXP55

Soldato
Joined
5 Aug 2013
Posts
6,960
Location
Shropshire
I am having problem with the 2010 Focus 2.0 ltr diesel -It has started to play up some morning and not start.
Did a voltage test and battery was showing 11.7v so charged it up to 13.2v and it started better than usual - So put it on charger at night and it stopped at 12.9v -turned it off and in morning it was12.2v.
Been doing this all week so took it to local garage for battery test.
Battery test -58% -Health = good -cranking and charging tests OK -Diode ripple OK. -- So do these figures sound OK.
I have been googling for a few days and it was mentioned that the battery could have a duff cell.
The battery was replaced about 5/6 yrs ago and is a Bosch.
I am now considering getting another battery check from Ford dealers just in case.
Other wise we are talking of a drain somewhere. -I do have it booked in for 12th Feb with auto electrician but would like to double check before take it in (expensive)

PS one other thing is we only use it 2 or 3 times a week for local runs and the killer -start it up -back out of garage then put it back later in the day so loads of amps but not replaced.

Any ideas ?
 
Thanks for the replies - I feel better now and just hope it is battery - Mind you a new one is just over £100 which will be a lot less than Auto electrician.
One other thing is it has had a few electrical problems with rear tailgate lock not working with the fob and have to open rear door first but it still locks with button on handle and fob.
I think it was a major fault on mine with rain seeping through rear screen and frame and water soaking electrics.
Will ring up dealer tomorrow and get it tested - I can't do this anymore as i can't lift the battery and it sits under the windscreen and air filter and stuff needs removing.
I have one of these chargers and it is good -Had it a few years and it is now paying for itself.
 
Had new battery fitted today so asked him when was the last one I had - Seems 2017 so it's done well -Should have done really as it was a Bosch.
We will now just wait and see - What I won't be doing is backing car in and out of the garage so I can work in there. Will put it on the charge if I detect a drop in voltage.
Wish I could still do these jobs myself but there is no way I could have lifted that battery up and into that battery slot.
 
No idea what make - Last time they put a Bosch 80Ah one in (or 800)- This is also 80Ah but not a bosch.

I also think I have a lazy glow plug so now switching it on till all lights go out then turn it off then start again and away it goes - It's not doing to bad as it's on 95k miles and never touched glow plugs or injectors and it still goes well.
 
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