with delphi injection does not start

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: fred39

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Posts: 5
Joined: Thu Oct 03, 2013 10:45 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

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Hiya, I'm in need of a little help if possible,
I have a 1.4 diesel 2003 C3 Delphi injection system, that does not start, I've connected it to DiagBox and the fault code that remains in the engine ECU is P0102 MAF, its had a maf fitted still the same, all wiring seams ok,
Its shows good pump pressure (300+) and a cranking signal but the injector voltage does not change when monitored in diagbox,
Any help please
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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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Hi fred39
P0102 MAF, its had a maf fitted still the same,
MAF fault is unlikley to inhibit the car from starting, if you think the MAF is an issue in running, try disconnecting it to enable the 'default' settings for MAF.


Immo/Immobiliser will stop the injectors from firing, check the immobiliser in lexia/diagbox.

Changed the BSI?, ECU or keyfob?

What's the history with the car?
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My Name: fred39

Member
Posts: 5
Joined: Thu Oct 03, 2013 10:45 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

I tryed with MAF disconnected as most cars still run with them faulty, as for immobilizer I looked in the status in engine ECU and it says its MATCHED so I take it the immobiliser is ok
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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

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the status in engine ECU and it says its MATCHED so I take it the immobiliser is ok
I think that is just the security link between the BSI and ECU, not the transponder fob signal I was talking about.

Like this
Lexia locking
Lexia locking
Engine ECU locked and Transponder label recognised
Engine ECU locked and Transponder label recognised
Where the BSI sees the transponder code in the key.
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My Name: fred39

Member
Posts: 5
Joined: Thu Oct 03, 2013 10:45 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

This is what I'm getting, is this ok for vehicle to start or is the ECU stopped from starting?
DSC06414.JPG
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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

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It looks good to me.

This is lexia for the immobiliser on a working C3 diesel like yours.
BSI ECU immobiliser keys programming citroen C3 lexia
BSI ECU immobiliser keys programming citroen C3 lexia
ECU locking immobiliser citroen C3 lexia
ECU locking immobiliser citroen C3 lexia
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My Name: fred39

Member
Posts: 5
Joined: Thu Oct 03, 2013 10:45 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

whould external temp sensor make any differance on the starting of these as that is a perminant fault within the BSI?
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My Name: C3CAR

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Posts: 2634
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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the injector voltage does not change when monitored in diagbox,
I had a quick look on a working 1.4 16v and the injector voltage doesn't change while the engine is running.
Citroen C3 injector voltage while engine is running 3.2v
Citroen C3 injector voltage while engine is running 3.2v
My Name: fred39

Member
Posts: 5
Joined: Thu Oct 03, 2013 10:45 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No

Post

I've got a fault, P0215 injection system relay circuit relay stuck or occasional cut-off, a couple of times that does erase but unsure if it the cause or just pops in due to low battery voltage,
I've also noticed that coolant fan high speed does not operate in active testing, unsure if this could also be related to my fault of non start,
Any help please
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

've got a fault, P0215 injection system relay circuit relay stuck or occasional cut-off,
If this is the 'double injection relay' then the relay will stop the car from starting. Its sounds like its intermittent (from the description).
Citroen C3 HDI double injection relay
Citroen C3 HDI double injection relay

The relay in the engine bay fuse box (probably). worth a look?
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