Peugeot 407 2.2HDi crank no start

[Punk01]

Hi everyone!

I desperately looking for any advice to find the problem with my car, because i'm out of ideas.

The car is a Peugeot 407 2.2HDi 170 which ran fine until one morning it simply doesn't start.
Diagbox indicated an intermittent P0341 camshaft sensor - signal absent error, so I thought an easy fix. I bought an ERA aftermarket sensor, because that was available immediately. With the new sensor, the car still doesn't start, and I got the same P0341 DTC. After a bit of search i came to a conclusion, maybe an aftermarket sensor wasn't the best choice, so I ordered a new OE sensor. But the problem stayed.
So, i checked the wiring, measured resistances(below 0,2 ohm all 2, and the ground was also good), measured the voltages at the sensor (5v,12v,0v, all good), so it was time to check the timing, and ohh man...

Whoever worked last on this vehicle, successfully f**ed the timing hole on the Flywheel(pic1). I spent hours to try to adjust the crank to the TDC, so i can check the cam position. When i was sure it's on the correct spot, or at least pretty close to it, i checked the cam position which was off by probably a teeth(pic1). Also the arrow on tensioner was way out of its designated position (pic2). The belt wasn't loose, so i thought no catastrophic damage was done.

I spent 2 mornings to carefully count teeths in the official service box drawings, choose 2 easily identifiable spot on both sprocket, count num of teeths between them, mark the sprockets, mark the new belt and hope it will line up.
I followed the official procedure everywhere else.

After i assembled everything, it was time for engine to fire up, but again, crank, no start, P0341...
I checked the official procedure of a camshaft sensor alignment, which states the new sensor should be touching the pulley, so after the adjustments the code disappeared, but still no start.

Now the Diagbox shows only DTC's related to faulty accelerator pedal, and 2 EGR code, but those are older codes and should not prevent the engire to fire up.

I thought maybe some live data check could help, but as soon as i try start the engine, the VCI losing communication, so i don't any information about sync, fuel pressure and other relevant data.

Also ordered a cheap oscilloscope, but it will arrive sometimes on the next week.

So i'm pretty lost now, and i appreciate any thoughts what to check, or what could cause a disconnection of the VCI and how to prevent it.

Thanks in advance

[mickthemaverick]

I'm not sure about this but is the hole I've put in the yellow square the flywheel locking hole?

Modified from original

If so then it looks to me like the flywheel is not in the right place at all?

[Punk01]

I'm not sure about this but is the hole I've put in the yellow square the flywheel locking hole?



If so then it looks to me like the flywheel is not in the right place at all?

Yes, thats the locking hole.
I took the picture before started the whole timing process, because if the flywheel is in locking position, that litle tab is not visible.

[PaulC5]

It could also be the crank shaft sensor is at fault, these do not cost much so is worth checking and replacing. The wiring/connectors should be checked if not already done.

[Punk01]

I tried with an aftermarket crankshaft sensor with no luck, and i measured 5v/8v/0v. Though not sure if 8v signal is correct, because i found no information about the correct voltage levels, but when the oscilloscope arrives i could check it further.

[PaulC5]

If the crank shaft sensor is working I would think the engine rpm will be shown when trying to start the engine and it turns over on the starter motor.

[Punk01]

Yes, the rpm gauge showing the actual rpm when i cranking, also the ecu registered 300 something rpm when the p0341 code were thrown.
Before the code disappeared, the theory was, maybe the magnetic ring is damaged or something, so it reports false position, but since i have no error codes now, this is unlikely.
Other thing what came to my mind, and some others also mentioned are the injectors itself, or maybe the timing is out of place although its pretty hard to check because of the damaged locking hole.
So i think the next test will be a leak-off test, just to be sure, but after crank and reconnecting to Diagbox, it reports live values as follows. Fuel pressure is at 314bars,injected flow(or something like that) 53.xx mg, the correction values stays at 0,03 for each injector(this value never changed since i bought my Diagbox kit years ago) and voltages are 113-114v for each injector, so nothing caught my eye.
Theoretically nothing prevents the engine to fire up.

[Steve Walsh]

I would give it a snort of easy start just to see if it will fire up, Brake cleaner or something else volatile will also do the trick