2003 1.6HDI wirh P1207, won't start

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

Member
Posts: 2
Joined: Fri Jun 06, 2014 2:41 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.6
Fuel Type: Diesel
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No

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I am working on a Citreon C3 2003 1.6HDI, It won't start and the error code reads P1207.
I have tried the fuel rail switch and crank shaft sensor.

Can anyone tell me what this code means?

Thanks
Bill

Citroen C3 P1207
Citroen C3 P1207
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My Name: Arfur Dent

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Posts: 3340
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)
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Bill wrote:I am working on a Citreon C3 2003 1.6HDI, It won't start and the error code reads P1207.
I have tried the fuel rail switch and crank shaft sensor.

Can anyone tell me what this code means?

Thanks
Bill
from https://citroenc3owners.com/diesel-citro ... -t766.html
housemartin wrote:The error message was

Permanent fault p1207
Diesel high pressure regulation circuit rail pressure coherence when starting.

Which when translated into a useful message means

You idiot you forgot to prime the fuel pump using the hand pump above the air filter housing.


High mileage diesel C3 can suffer from non starting due to worn injectors (leak off test to prove) because the high leakoff lowers the common rail pressure to below the starting enabled threshold.
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My Name: Bill

Member
Posts: 2
Joined: Fri Jun 06, 2014 2:41 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.6
Fuel Type: Diesel
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No

Post

We have tried that & it was not successful.
If you have any other ideas please let me know?
Could it be pressure regulator valve in fuel pump?
We do know the injectors are not switching.

Thanks
Bill
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User avatar
My Name: Arfur Dent

Guru
Posts: 3340
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: 271 times
Been thanked: 114 times

Post

Bill wrote:If you have any other ideas please let me know?
How about a blocked fuel filter, can you get any live data regarding the fuel pressure measured?

The lexia clone does this sort of reading on the diesel C3s.
Bill wrote:Could it be pressure regulator valve in fuel pump?
P1207 also comes up on the forum as
JoniDrive wrote:p1207 Fuel pressure regulation electrovalve Short circuit to - (negative)
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