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Old 09-02-12, 08:25 PM   #1
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Angry Possible ECU Fault, who knows?

I put my 2.0 Diesel into local garage last week for a new timing belt, it hasn't started since. Everything has been checked at least 3 times, wiring etc, but apparently codes are showing for crank sensor. It has been sent to Peugeot dealers, where they have swapped over my various sensors in a donor cars, they work in the donor car, but the donor cars sensors wont work in mine.

The dealership think it might be an Engine ECU fault, but can't guarantee that is the cause, despite the fact they want to charge nearly 1300 for this experiemental procedure (this includes diagnostic work done so far).

If i hear one more time, "We've never had this problem before", I think I'll scream. Anyone else had a similar fault?

Last edited by thomasslider; 09-02-12 at 08:30 PM.
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Old 09-02-12, 08:34 PM   #2
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Was the wiring to the crankshaft sensor checked , did they dent/crack the crankshaft while changing timing belt ,
is the initial garage picking up the tab? they should be.
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Old 09-02-12, 08:37 PM   #3
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Quote:
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Was the wiring to the crankshaft sensor checked , did they dent/crack the crankshaft while changing timing belt ,
is the initial garage picking up the tab? they should be.
Apparently all the wiring has been checked, quite a few times. Don't know whether the crankshaft had been dunted or not, nobody has said anything. Got a funny feeling I'll be left carrying the can on this.
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Old 09-02-12, 08:44 PM   #4
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Check wiring and plug for the cam position sensor. often it shows as a crankshaft sensor fault. The plug and wiring is weak on them.
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Old 09-02-12, 08:44 PM   #5
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Don't know if this might be worth checking or not. But when I bought my petrol the timing belt had just been done and it ran very badly. Turned out to fit a timing belt you need a special tool that only Peugeot have, to lock up the cams and align them correctly etc
Whoever fitted the belt to mine had fitted it about 2 or 3 teeth off alignment.
Don't know if this might help you out or not, not sure if a belt fitted wrong could throw a crankshaft error....but it might just be worth a check
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Old 09-02-12, 08:46 PM   #6
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Check the timing. I'll bet its out.
There's no cam/crank synchronisation I'd say.
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Old 10-02-12, 01:00 AM   #7
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i was about to say what david says...if they changed the belt and it didnt work from there...timing belt...

brings back memories...i took my 307 to a garage for a timing belt kit renewal...got it back and it kept jumping into limp mode and sounded horrible, ticking noises. long story short, took it to dealers, they pointed out the fault (timing belt), i asked for photos. got car back, paid dealer myself, took photos to garage, threatened them with trading standards...money back...success.

aslong as you went back to the original garage for the fault since, trading standards will back you up aslong as you keep all evidence of the work etc.



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Old 10-02-12, 08:10 AM   #8
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Perhaps this is not the time to say it, but saving a few quid by using an independent garage has cost you a small fortune. trust me, it ain't no co-incidence your car drove in their workshop in A1 order, yet had to be pushed out by a bunch of grimy spanner monkeys.
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Old 10-02-12, 08:28 AM   #9
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Originally Posted by chopper1192 View Post
Perhaps this is not the time to say it, but saving a few quid by using an independent garage has cost you a small fortune. trust me, it ain't no co-incidence your car drove in their workshop in A1 order, yet had to be pushed out by a bunch of grimy spanner monkeys.
i agree to a certain extent.
i dont think alot of independants maybe realise just how much tech and stuff is in certain cars.
i trust my local guy to do most things on pretty much any car; but i know for a fact he has little to no access to decent diagnostic equipment. Even the garage he takes cars to to do MOT's and use their diagnostics dont have a reader that can access all the 407's features.
the garage i bought mine from openly admitted they had never heard of this "tool" to lock the cams in place to change a timing belt....was only when the car had been back to peugeot and they had suggested checking the timing that it was discovered and pug leant the garage the tool to do the job and ensure it was done properly.

maybe its our own fault for driving around with computers strapped in our cars these days! LOL!
in good 'ol Norfolk ive found it virtually immpossible to find any garage, local to me, with PP. even the so called "french motor company" in Dereham; who profess to being french car specialists dont have PP and confess to their diagnostic equipment not being able to do a few things on the 407's systems!!
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Last edited by kirisute; 10-02-12 at 08:31 AM.
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Old 10-02-12, 11:06 AM   #10
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Some more info don't know if it's helpful. The cam shaft and cam shaft sensor wont synchronise, that appears to be the main problem. 2 garage one independent and one dealer are shaking their heads, but dealer want me to fit a new ecu as an expensive experiement. All wiring been checked and belt is fitted properly.
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