P0104:wiring between the MAF and ECU, P1351 - Glow plug relay

Questions specifically about a Diesel powered C3 (usually engine or fuel related problems)
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My Name: user1234

Contributor
Posts: 20
Joined: Wed Nov 11, 2015 2:18 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 210000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)

Post

Bring the car in without wheels.. I'll bet they'll say that's normal too..

P0104 - most likely due to poor wiring between the MAF and ECU. i could show you how to mend that yourself with a multi-meter.

P1351 - Glow plug relay - open circuit.
obviously the cause of your cold start smoke.. yeah, check the relay..

Does the MAF have anything to do with glow plugs? maybe they're both connected..

"The garage claims that the fault code may probably just be there when there is no fault" = Bull cr*p, and completely unprofessional...

Make sure they didn't fit the wrong MAF sensor (if they even changed it..) by comparing with the old one, the right one is really hard to get since Citroen doesn't provide them any longer. (you could find desperate threads about it all over..)
I'd ask for the old one to be put back, since they're creating new and unnecessary problems.
My Name: sammyelrefee

Contributor
Posts: 12
Joined: Thu Nov 05, 2015 2:47 pm
Model: C3 2009-2013, New shape (A51)
Year: 2010 (10)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 38000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

Bring the car in without wheels.. I'll bet they'll say that's normal too..

haha probably!!
P1351 - Glow plug relay - open circuit.
obviously the cause of your cold start smoke.. yeah, check the relay..

I got a text from the garage saying they have replaced the glow plug relay. I will be expecting the old one as well like when they replaced the MAF.
I'm collecting it tomorrow so will report back. I will be taking Lexia with me and using it before leaving the garage.
"The garage claims that the fault code may probably just be there when there is no fault" = Bull cr*p, and completely unprofessional...

I know right. It's funny how they say that and only agree to take it in after me persisting that it cant be and now they have replaced the glow plug relay. So much for normal haha
Make sure they didn't fit the wrong MAF sensor (if they even changed it..) by comparing with the old one, the right one is really hard to get since Citroen doesn't provide them any longer. (you could find desperate threads about it all over..)
I'd ask for the old one to be put back, since they're creating new and unnecessary problems.
Can tell they've changed the MAF sensor as I seen it before and after. The car originally had a continental branded one (which is in my possession as I requested to keep it) and they have fitted a lucas branded one.

Do the non-gen MAF's tend to cause issues?
I wouldn't mind changing it over myself to see.

Thanks!
My Name: user1234

Contributor
Posts: 20
Joined: Wed Nov 11, 2015 2:18 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 210000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)

Post

Glow plug issues aren't really my area of experience since temperatures here remain pretty high most of the year, so I'm mostly guessing (seems they are too..) and other users here would know better.
Hopefully this will fix P1351.

Though If P0104 persists after MAF replacement, it's time to pull out the multi-meter since many garages may avoid such detailed work.
In fact, my garage told me it was impossible to fix individual connectors before I went on and did it my self.
The connectors on my ECU were unstable and caused so many problems before I mended them.. I recommend this fix to any C3 owner who's ECU connectors were removed frequently and feels his car is loosing its mind ;) (+ there's no way to know you did it to legitimize any early voiding of warranty..)
My Name: sammyelrefee

Contributor
Posts: 12
Joined: Thu Nov 05, 2015 2:47 pm
Model: C3 2009-2013, New shape (A51)
Year: 2010 (10)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 38000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

Glow plug issues aren't really my area of experience since temperatures here remain pretty high most of the year, so I'm mostly guessing (seems they are too..) and other users here would know better.
Hopefully this will fix P1351.
Well, I'm a bit dubious about what they have done. I haven't gone into collect it yet. Just about to set off. I have a black box fitted so I looked at it and see they have taken it for a 20 minute drive this morning (probably to warm it up so that when I get there it appears fine)

Oh dear, I'll report back when I am back.
My Name: sammyelrefee

Contributor
Posts: 12
Joined: Thu Nov 05, 2015 2:47 pm
Model: C3 2009-2013, New shape (A51)
Year: 2010 (10)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 38000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

Back from garage.
I was met by a quite man (the same one) who told me he had replaced the glow plug relay and handed my keys. (probably didn't have much to say after reckoning it was a ghost fault!)

I can't really see whether this fixed P1351 til the morning so will report back in the morning on this one specifically.


P0104 exists still... How would I go about with testing the wiring?

Thanks!
My Name: sammyelrefee

Contributor
Posts: 12
Joined: Thu Nov 05, 2015 2:47 pm
Model: C3 2009-2013, New shape (A51)
Year: 2010 (10)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 38000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

can't really see whether this fixed P1351 til the morning so will report back in the morning on this one specifically.
It returned after a cold start... oh dear. Any other suggestions for this one? (wiring issue??)

Much appreciated,

Thanks,
My Name: user1234

Contributor
Posts: 20
Joined: Wed Nov 11, 2015 2:18 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 210000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)

Post

No politics, but I'd like to pay condolences to the French people after last nights attacks on Paris.

Sorry to hear about that garage.
They're just pulling your leg hoping you'll let go so they won't have to take responsibility once three months are up.
After that, there won't be much you can do, so as uncomfortable as things may get, you should insist to get a properly functioning car especially if it's only 5 years old.

I don't think this will solve the problem with the MAF sensor, although it might since the code did refer to wiring, anyway, it's a good thing to start with to eliminate some possible causes.

I'll open a new thread on improving wiring to ECU, with step by step instructions.
It's a good the step for sorting out the possible problems
Hope it helps..

https://citroenc3owners.com/citroen-c3-t ... t1781.html

Many tutorials on testing your MAF sensor itself exist on this site and all over the internet, check them out.
My Name: sammyelrefee

Contributor
Posts: 12
Joined: Thu Nov 05, 2015 2:47 pm
Model: C3 2009-2013, New shape (A51)
Year: 2010 (10)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 38000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

No politics, but I'd like to pay condolences to the French people after last nights attacks on Paris.
May the lord bring peace to the world.
They're just pulling your leg hoping you'll let go so they won't have to take responsibility once three months are up.
After that, there won't be much you can do, so as uncomfortable as things may get, you should insist to get a properly functioning car especially if it's only 5 years old.
I will start being more forceful in my comms with them as it does need sorting before this expires.
I'll open a new thread on improving wiring to ECU, with step by step instructions.
It's a good the step for sorting out the possible problems
Hope it helps..
Excellent! Thanks! Will be having a look and following!

Thanks so much!
My Name: user1234

Contributor
Posts: 20
Joined: Wed Nov 11, 2015 2:18 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 210000
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)

Post

Sammy, I finished the ECU wiring tutorial.
I thought it was pretty good, check it out!

tips-for-any-citroen-c3-f8/improving-po ... t1781.html
My Name: sammyelrefee

Contributor
Posts: 12
Joined: Thu Nov 05, 2015 2:47 pm
Model: C3 2009-2013, New shape (A51)
Year: 2010 (10)
Engine Size: 1.4 i
Fuel Type: Diesel
Mileage: 38000
Trim Level: Vibe
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

Looks good! I will try and find some time soon to do this!

Also, the dealer has agreed to get my car seen to by a Citroen specialist so hopefully should be in better hands!

Thanks!
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