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Discussion Starter #1
As some will know, my cam belt snapped on my beloved 807 in June. Its been a very long process and the engine has now been swapped. However, my mechanic is currently trying to solve the "Anti Pollution Fault" error that flashes up on the dash, the engine management light shines and there is a serious lack of power from the engine most of the time.

Now I've read on this forum and many other forums of people having this very same problem, but as yet, I've never ever seen a happy ending or a solution to the mystery.

I've seen suggestions of checking the wiring, swapping sensors, changing pumps, reporgramming ECU's and even driving the car for 20 miles at a constant 60mph in 4th gear, but as yet, never, not once has anyone reported that the problem was solved.

Some report that they have spent litterally thousands swapping this and that but every time, the problem shows its ugly face yet again.

I noticed on here recently that one lucky fellow found some damaged wiring, however, his problem was that the car did not start at all. Mine starts first time every time, idles wonderfully, even drives perfect 10% of the time, but for the rest, I'd probably get better performance if I fitted a 50cc moped engine!

I've currently got plugged in a fault logger, because when the mechainc ran it all last week no faults came up even when it was playing up!

So, if anyone has found a solution (no doubt there more than one!) I'd love to know.

Thanks
 

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807s do not read well on most scanners you need peugeot planet you do not need codes you need live data to see what is actually going on

We had one e7 taxi but same engine down on power running poor noisy all 16 rockers were worn at 150k miles replaced rockers and engine is fine again and anti polution is gone
 

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Discussion Starter #3
Oh this car has had more live data taken from it than I can mention! The mechanic even paid for Peugeot Master Tech to come out and take a look, but they were utter useless.

The car has only done 65K!
 

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You dont say if your own engine is rebuilt or a replacement was fitted if replacement how much has the replacement engine done how well was it looked after ?

when looking at live data does everything seem normal

Is it noisy at idle/higher revs

how high can you rev it ?
 

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Discussion Starter #6
Hi
I appreciate you trying to help with the problem I have described. However, the point of this post was for people who have experienced similar faults I have described and has actually managed to fix it, to come on here and describe what happened and what they did to fix it.

As I mentioned in my first post, I have read loads and loads of posts describing this exact problem I am experiencing with the Anti Pollution Fault and lack of power, however, no where that I can find, have actually said they managed to fix it!

To try and give you a little more details of the fault I have:

Its a reconditioned engine, with about 45K on it. It starts first time, every time perfectly. Idles perfectly, even drives perfectly every now and then, but most of the time, there is just no power at all to the point where at about 2000 revs in any gear it does not have the power to accellerate at all, but then it will creap up to about 2500 revs very slowly where all of a sudden, it gets a sudden rush of power and everything seems ok until you change gear and the revs drop again. And Anti pollution fault flashes up on the dash and the engine management light stays on.
 

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As i said i cured antipolution on ours so i was just getting a bit of info from you to try and help you with yours

Its not any 1 thing that will cause it

Have you tried re-adapting the egr as this helped on ours for a while until we realised the rockers were all worn replacing these cured it for good

You say reconditioned engine but you also say it has 45000 miles it cant be both
 

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Discussion Starter #8
Thanks for your help, it is appreciated. I'm not sure if worn rockers will be the cause on this car. Here's where I bought the engine from:

Peugeot 807 2.2L 16V HDI 4HW DW12 Diesel Used Engine, NorthCarSpares.Com

just been out for a 40 mile drive. I only got the car back yesterday and it drove awefull, today it seems a little better, but still absolutley no power below 2000 revs in any gear.
 

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So its a used engine with no way of knowing what miles are on it other than what the seller told you they say they give it a good clean and check over its not reconditioned nothing wrong there but it is a used engine so may have done more than you think

From your description i would look at boost control and egr im assuming all anciliaries are from your old engine and were fine prior to failure.

Also these ecus do a reset of sorts after each start and it can take time for it all to settle down again after being messed with.
 

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Discussion Starter #11
In live data does the egr valve % go up and down when revved up or does it stay at 5% ?
I have no idea, I'm not the one working on it!

Like I said in earlier posts, I was hoping to open a discussion up on people's experiences with a similar fault and how they over came it.
 

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Problem is most people give up and scrap the car so your answer is scrap it :)

EGR and boost control are where i would look in your case

Fault codes do not mean the part showing is faulty it means the ecu is seeing something in that circuit it does not like

One of our taxis came back on a towtruck no revs loads of faults in ecu would not clear some started fine just no revs
Tried throttle pot checked wires to it all fine still no revs no faults directly relating to throttle problem though

In live data throttle seemed to work !!

Turned out a wire for fuel temperature had shorted on the starter and burned out part of ecu fixed burned out track in ecu engine now revs but faults will not clear all parameters apear normal and taxi drives fine still needs new ecu though due to not being able to clear faults

My point is everyone may seem to have similar symptoms to yours but the reason could be very different and there is no definate cure other than get rid which is what we are doing now with our older cars as they are just too much trouble now after 400k miles :)
 

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Discussion Starter #13
Its a bit early for me just to give up and get rid just yet! Besides I don't think the mechanic will throw in the towel either!
This car only covered 64K miles when the belt went ping, the first engine that came from north car spares turned out to be no good and it went back and was replaced with another, my feeling is that the second engine (the one that is now fitted and running) is our own engine back, but repaired.

Is there anyway of checking to see if this is the case?
 

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Not really as they do not have any real codes on them that you can cross reference easily

Your own engine repaired would have been the best option as it would only have needed new rockers and lifters you do not even need the head off i have done at least 10 over the last few years and only needed head off 1 due to dropped valve stem

As i say give up is what most do hence the lack of solutions

Live data check EGR check boost control vacum and solenoid they can get broken leading to low boost especially during an engine fit as they are at the back on rhr engines
 

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Yes i agree with Reliable406.

You cant guess at a cure.Every car is different and as you have swapped engines its likely to be something thats gone wrong there unless fault was already there before belt went

Looking at live data is the only solution unless you want to just swap things for fun because Mr smith fixed his car with this and that thingy majig .....!
 

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Discussion Starter #17
What are the codes...
Hi MadV!!

Just taken the car back in and the mechanic is studying the live data logged by his little fault logger he left plugged in.

Not sure exactly what fault code has come up, but when he read it out it was something to do with the EGR and a solenoid!

Thats all I know.
 
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