Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

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Paul-R
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Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

I'm presupposing that the misfire on our 308 will be diagnosed as a faulty injector and would really appreciate the part number in case I can find one at a good price.

I was hoping that I could nurse the car until better weather would allow me to work on it myself but I've had some good news which means that we can now travel abroad again and I'm planning on going over half-term in February.

The problem first manifested itself about three months ago as a hiccup every now and then and I hoped that a new fuel filter would effect a cure. It didn't and now it's getting worse and having a detrimental effect on fuel consumption.

VF3**************[VIN obfuscated, can be read by forum staff]
Last edited by Paul-R on 20 Feb 2020, 13:27, edited 2 times in total.
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Re: Fuel injector 1.6 Blue HDi

Post by GiveMeABreak »

The new one is part: 9802776680 £450.52

The exchange one is part: 1610578480 £354.08

Both are Bosch units Paul, prices inc. VAT from Peugeot for comparison.
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Re: Fuel injector 1.6 Blue HDi

Post by Paul-R »

Thanks Marc. I've found that number against a general search on Ebay but I wanted to be sure they were right.
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Re: Fuel injector 1.6 Blue HDi

Post by RichardW »

I'd get the the diag on it before forking out for a new injector... Usually they just die, I'd be thinking about the EGR valve for an occasional hiccup with no EML.
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Re: Fuel injector 1.6 Blue HDi

Post by Paul-R »

Just preparing the ground.

Interesting about the EGR. I suppose I could do with the part number for that as well! That should be at the front of the car I guess as the exhaust manifold is there.
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

So...

The car went into my local independent and their Autel diagnostic gave the following codes in order of importance:

P16D0(00) Damage to the double damping flywheel
P02CF(00) Combustion of cylinder No 2
P0201(00) Cylinder 1 diesel injector control
P16B1(00) Controlled air inlet module

What they think is that the flywheel is jittering giving a faulty signal for the timing and this is what is causing the misfire. The next two codes are as a result of the flywheel. They were very surprised by the readout as they have never had a specific fault highlighting the flywheel before now. I suppose I should confirm that the TDC sensor is on the flywheel and not on front of the engine!

I'm fairly sure that the fourth code concerns the motor controlled flaps on the air inlet. Something I've been meaning to do for a while.
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by white exec »

Surely the flywheel (the half attached to the crankshaft) would actually have to be loose for it to mis-trigger the timing sensor? Either that, or a loose or damaged sensor.
Unsure how the diagnostic system would actually monitor the DMF lump, apart from seeing a poor sensor signal, or an erratic one.
Verify the sensor signal?

Those prices for injectors are sobering. Bosch Service Centres (and good diesel workshops) do offer an injector examination/refurb/recalibration service. If a unit is past it, they will confirm.
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

Well, as I said they were astounded as they had never seen such an error code being so specific about the flywheel.
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by ekjdm14 »

That's a strange one, never heard of that myself either... Are you on the Wirral currently? If you find your travels take you near Congleton I could throw it on Diagbox see what that has to say. Those codes look strange to me, maybe I'm just out of the loop on post 2006 vehicles but any DTC's I've seen have always conformed to the X0000 format E.G. P1161 (a throttle body code, as it happens) or P0352 (coil pack code) so the format seems weird. Perhaps it's just the sheer number of codes possible these days mean hexadecimal codes are needed?

If it's driveable and nobody closer with DB, would be highly intriguing to take a look.
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by RichardW »

Engine speed sensor is, as with all DV engines, on the other end of the engine, so I think the fault description is wrong. You need to get it on Diagbox.... Marc might be able to look up the PSA specific details for that code. Is this a semi-auto? If so it could be detecting a difference between the crank sensor and the gearbox input shaft speed? The EGR valve is on the back of the engine, passenger side - a new one is £275 from PSA however....
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

@ekjdm14 That's very kind but rather embarrassing as I should be able to do it myself. However I can't find the Diagbox laptop, only my earlier Lexia laptop. I know that doesn't work on my 2013 X7 and so is highly unlikely to work on a 2015 vehicle. Oh, and it's Peugeot not Citroen anyway!

I'm going to give it another go at finding the laptop today but, assuming I can't find it, when can I bring it round? Not today obviously but we're free tomorrow and Saturday.

@RichardW No, it's a normal 6-speed manual gearbox. But you raise an interesting point about speed differences. Is there a sensor on the (manual) gearbox that could detect the minute difference in expected speed that might be measured if the flywheel slips or flutters ever so slightly?

The garage doesn't think it's an EGR valve as this would give a different type of fault.
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.

Inside every old person is a young person wondering what the hell happened.

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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by RichardW »

There doesn't appear to be a speed sensor on the manual box, just a neutral sensor. These are the engine sensors:
senors.JPG
6 is the crank sensor. 5 is engine re-starter unit, not sure what this is or where is it mounted.... costs £115 though!!
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by ekjdm14 »

No need for blushes, it's taken me about a year to pull my finger out and repair my VCI so a lost laptop is nothing to be ashamed of haha! Friday might be a little busy as we're taking our youngest to visit a different school (bullying rife in previous one :( ) but should be in most of Saturday I think. Hoping the weather's decent enough to get some work done on the '06 quarter replacement, I'll PM you with our address and partner's phone number (I refuse to carry a mobile or use wastebook!) and can arrange something from there if the laptop doesn't show up.

Just a bit of advice from Marc or somebody similarly experienced in the diagnostics side of things, for a 2015 308 such as this would DB 7.02 suffice? My favoured laptop runs 7.02 as I find it runs faster than 7.57 although do have 7.57 on another system if need be.
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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

I don't think 7.57 will be late enough for 2015. It would be fine for my X7 (2013) but I'm fairly sure that 7.62 will be needed. Full chip and Rev C needed of course.

Maybe I should put a bid in for the Easydiagnostics unit that's up for sale!

Going to look for the laptop and (separate) VCI unit. I may be gone for some time...
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Inside every old person is a young person wondering what the hell happened.

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Re: Flywheel problem? (was Fuel injector 1.6 Blue HDi)

Post by GiveMeABreak »

RichardW wrote: 23 Jan 2020, 07:30 Engine speed sensor is, as with all DV engines, on the other end of the engine, so I think the fault description is wrong. You need to get it on Diagbox.... Marc might be able to look up the PSA specific details for that code. Is this a semi-auto? If so it could be detecting a difference between the crank sensor and the gearbox input shaft speed? The EGR valve is on the back of the engine, passenger side - a new one is £275 from PSA however....
Ok so P16D0 is recorded by the engine management ECU when there is a very significant engine under-revving or stalling caused by the driver using the double damping flywheel in an abnormal way. It is by design and the 'fix' is to clear the fault code - and drive properly of course :-D
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