Turning over but not starting.

Questions specifically about a Diesel powered C3 (usually engine or fuel related problems)
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Diesel engine related problems
Think: Diesel engine, diesel fuel system, diesel injectors and glow plugs
My Name: Simonla

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Posts: 1
Joined: Thu Apr 11, 2013 5:51 pm

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Hi, wonder if anyone can help?
I changed the plastic part of the key fob today. Didn't take the battery out and the key locks and unlocks the car as normal. Don't know if that's relevant.
Unfortunately, the car now turns over, but won't start. All other functions of the car work, radio, lights etc.
anyone any ideas?
Do you think the immobolisor is stopping it starting? If so, how do I fix it? As I said, the key fob is unlocking and locking the doors as normal.
Thanks in advance for any info.
My Name: Hans Zarkov

Top Contributor
Posts: 38
Joined: Fri Nov 25, 2011 9:59 am
Model: C3 2002-2005, Original shape model
Year: 2004 (04)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 120000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No

Post

Hi,

Your original key has hidden inside the plastic a small transponder chip which has to be swapped together with the blade and the cicuit board. Without that chip, your car will refuse to start ;-)

HZ
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My Name: C3driver52

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Posts: 1937
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)
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Excellent advice HZ,

there are some pictures of the part that got missed in this post in the tips section

Key fob parts:
https://citroenc3owners.com/citroen-c3-t ... -t449.html

and a youtube video shows the missing part too
My Name: paulg

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Posts: 6
Joined: Sun Aug 31, 2014 1:44 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 150
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

i just had exactly the same issue ...
lol

deleted my post as i bothered to read the above link thread

i have flash disabled so i didnt see video

ops
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My Name: C3CAR

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Posts: 2658
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
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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paulg wrote:i just had exactly the same issue ...
lol

deleted my post as i bothered to read the above link thread

i have flash disabled so i didnt see video

ops
This may help others with flash disabled ;)

A URL to the topic for fixing the fob showing the immo chip citroen-c3-tips/early-c3-transponder-ke ... -t449.html

and some JPG images :)

Image

Image

If you have lost your original, all is not lost as it is possible to program a new one, but it requires a working lexia tool (available here on ebay).
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