Peugeot 207 Vti crank no start ongoing issue

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MikeT
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by MikeT »

max1 wrote: 26 Sep 2017, 17:30 ECU has come back from ECU testing today & has passed all tests, all 5v reference present & correct.

Stumped.


Well the good news is you've eliminated the ECU as being the fault, max
So back to basics methinks.
btw, after recharging your battery did you attempt to start the car again?
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by darbuck »

good to hear Max, maybe, at least you know It has to be a communication error you have checked the cables going into the ECU, did you check crank cam sync
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by darbuck »

when you installed the new engine sometimes you need to tell the ECU the injectors are different if they were swapped on a lot of cars there may be something attached to the new engine that is coded to the ECU on the donor car. there could be a difference in the cam and crank sensors and are giving incorrect readings to the ecu if the ecu setup was different.
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by max1 »

I put the ECU back in today & it started straight away !!!!!!!?????

Took it for a spin & everything is running fine. Absolutely baffled by this?

There is now a problem with the lights though. Front left dip doesn't work & only 1 fog light out of 4 work.
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by MikeT »

max1 wrote: 27 Sep 2017, 16:58 I put the ECU back in today & it started straight away !!!!!!!?????

Took it for a spin & everything is running fine. Absolutely baffled by this?

There is now a problem with the lights though. Front left dip doesn't work & only 1 fog light out of 4 work.


I told you it was fixed :lol:

Have you checked those lights are connected?

C98D : engine fuse box: Front left dipped headlamp fault.
Characterisation : open circuit.
Status :
Location : local
Variables associated with the fault


C990 : Engine relay unit : Front right fog lamp fault.
Characterisation : open circuit.
Status :
Location : local
Variables associated with the fault
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by max1 »

Ha :) But why, how ?!

Re. the lights - ill check but why would they be disconnected? Sorry I missed these faults you've just posted, were these the ones that didn't clear in that long list of faults ?
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by MikeT »

max1 wrote: 27 Sep 2017, 18:30 Ha :) But why, how ?!

Re. the lights - ill check but why would they be disconnected? Sorry I missed these faults you've just posted, were these the ones that didn't clear in that long list of faults ?


If the problem doesn't repeat itself sometime in the future we may never know.
How's the coolant gauge now btw?

Yes, those faults were consistent from first day I got involved and would not clear.
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by darbuck »

=D> Good to hear Max delighted for you =D> =D> =D> =D>
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by max1 »

MikeT wrote: 27 Sep 2017, 19:21
max1 wrote: 27 Sep 2017, 18:30 Ha :) But why, how ?!

Re. the lights - ill check but why would they be disconnected? Sorry I missed these faults you've just posted, were these the ones that didn't clear in that long list of faults ?


If the problem doesn't repeat itself sometime in the future we may never know.
How's the coolant gauge now btw?

Yes, those faults were consistent from first day I got involved and would not clear.


It's all very strange !

Anyhow, changed the bulb & the headlight is fine now, ill leave the fogs for now. Temp gauge is reading normally, everything seems to be working as it should.

Thanks for all your help Mike your a gent, good luck with your op.
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by MikeT »

max1 wrote: 28 Sep 2017, 16:33
MikeT wrote: 27 Sep 2017, 19:21
max1 wrote: 27 Sep 2017, 18:30 Ha :) But why, how ?!

Re. the lights - ill check but why would they be disconnected? Sorry I missed these faults you've just posted, were these the ones that didn't clear in that long list of faults ?


If the problem doesn't repeat itself sometime in the future we may never know.
How's the coolant gauge now btw?

Yes, those faults were consistent from first day I got involved and would not clear.


It's all very strange !

Anyhow, changed the bulb & the headlight is fine now, ill leave the fogs for now. Temp gauge is reading normally, everything seems to be working as it should.

Thanks for all your help Mike your a gent, good luck with your op.


Of course, blown bulb=open-circuit!

It's good to read you're finally over this saga max and can get back to enjoying the car you've invested so much money and time in.

I think it's worth (£40-£50?) getting your A/C looked at ASAP because aside from cooling in the summer, they have the ability to demist faster than heat alone in the colder months. The problem leaving it is the seals can deteriorate prematurely without the fluid circulating as it contains lubricants.

It was an interesting experience and glad to have met you mate. Feel free to contact me if you ever have a future need, best wishes.
max1
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by max1 »

Yeah I should get that looked at, cheers.
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by ekjdm14 »

Brilliant, glad to hear the car's running again now. Bit frustrating though, to have gone through all the ECU testing to have them say it's fine and then work when reinstalled... Maybe a dry/cracked solder joint or something daft like that, certainly worth giving the ECU an unplug/replug and a thump if it ever fails to start again (thumping it may even be of use if it's a cracked joint, on top of the fact that you'd want to whack the thing anyway!)

Just a thought, since the problem occurred had you ever had the battery off & if so, how long for? Only logical thing to my mind aside from physical faults is a low-voltage spike causing it to get confused as mentioned a few posts back, and only clearing up after its extended period of being powered down while in transit.
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by fishermanphill2008 »

Ok quick explanation when the key is turned for first time in factory the main processor asks for the code from all relevant devices and stores them.
Ever key turn there after it asks for the code and checks them against first.
Any not valid immobilizer enabled so no engine start.
On my zx the code goes to the aftermarket key pad and a coded ic is added to the fuel pump.
So because you sent the ecu off the codes will have been erased in there test rig putting it back to read codes first or factory default as its called.
The fault code reader you used maybe won’t have this reset only general fault codes reset.

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max1
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by max1 »

Hello all, the car ain't starting again!

It's been well over a year & the car has been running well all this time. The other day i had to disconnect/reconnect the battery (first time i've disconnected since last time) I followed the correct procedure to do this but after reconnection it cranks but won't start.

I've checked all the usual suspects like fuses, key recognition & for any water ingress - all is good here.

I had the codes read the other day & the only one present was F5FF - Unexpected re-initialisation fault coming from the BSI. The guy with the diagnostic didn't know what to do much further than reading the codes so decided not to clear it. I have been advised to get the code cleared, reset the BSI & go from there. I would try & manually reset the BSI but can't because it's in eco mode again & i can't get the window down.

Was wondering @MikeT how are you? Are you well? You fancy a trip over to Boscombe again any time soon so we can clear this code & see if it starts, happy to pay you :) ?
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Re: Peugeot 207 Vti crank no start ongoing issue

Post by GiveMeABreak »

Follow the revised procedure here on the Diagnostics page:

viewtopic.php?f=51&t=61997

What you can do is trick the car into thinking the door is shut by moving the driver's door locking catch inside the door manually with a screwdriver. The BSI will think the door is closed. That way you can leave the door open instead of opening the window.

It sounds like the immobiliser is not authorising the starting - typical where the starter will spin without starting the engine. Don't keep trying in this situation or it will lock you out for some time if you keep attempting to start it. Follow the procedure exactly with the timings as specified to allow plenty of shut down and reinitialisation time.

You'll see in my post it is essential not to allow the battery cable to accidentally reconnect to the battery terminal during the process!
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