C3 Diesel fails to start, repeated electrical outage?

Questions specifically about a Diesel powered C3 (usually engine or fuel related problems)
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My Name: IanWinter

Member
Posts: 2
Joined: Sun Oct 07, 2018 10:56 am
Model: C3 2009-2013, New shape (A51)
Year: 2011 (11)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 50000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)

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My 2011 C3 Diesel failed to start today, first problem ever.

When turning the key, there is no sound from engine but the electrics within the car repeatedly turn on then fail, repeating on a 2-second (or so) cycle. So every 2 secs while the key is turned to ignition, the headlights flash on, dashboard lights flash on, radio comes on, and wipers (even though their switch is off) move a few inches – then everything cuts out and it does it again… and again.

So, some electrical issue?

It is not out of fuel, and has had no recent work, no battery change, basically fine yesterday, bonkers today.

Any ideas?
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My Name: C3driver52

Guru
Posts: 2012
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Has thanked: 146 times
Been thanked: 78 times

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Hi IanWinter

I would have your battery tested but if the battery is ok, then suspect the starter motor.
My Name: IanWinter

Member
Posts: 2
Joined: Sun Oct 07, 2018 10:56 am
Model: C3 2009-2013, New shape (A51)
Year: 2011 (11)
Engine Size: 1.6
Fuel Type: Diesel
Mileage: 50000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)

Post

Diagnosed: just a weak battery. AA surprised that it manifested itself in such a mad way, but new battery should fix it.
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My Name: Arfur Dent

Guru
Posts: 3520
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 345 times
Been thanked: 135 times

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IanWinter wrote: Mon Oct 08, 2018 11:48 am Diagnosed: just a weak battery. AA surprised that it manifested itself in such a mad way, but new battery should fix it.
Thanks for the update :D
C3driver52 wrote: Sun Oct 07, 2018 12:38 pm Hi IanWinter

I would have your battery tested but if the battery is ok, then suspect the starter motor.
Great work @C3driver52 :D
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