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Discussion Starter #1 (Edited)
Hi all , I recently purchased my first ever peugeot in the above model through a private sale and have been extremely happy for 2 months with it , until recently it's literally drove mad ! Ok here it goes . . . Anti pollution fault pops up every other day and when it does the car takes ages to start but drives ok , only problem is when starting if the engine light is lit and anti pollution is displayed . Brought it to my own mechanic who said crank shaft sensor needed doing so done it and guess what the problem was still there . So went to main dealer who done diagnostic tests and said I needed air flow meter replaced that was the problem and there was 2 other minor unrelated errors . So they were charging extortionate price to do this so went back to my mechanic wit diagnostic results he changed the flow meter with another one he had from same model car and problem was still there , in the meantime the starter went and had to be replaced from trying to start it so often . Went to another mechanic who had car for 2 days and couldn't fix issue either said wiring problem somewhere or a blocked injector didn't know until we send the injectors away ! . I'm now back with my original mechanic who's eager to help . This car doesn't have DPF and doesn't have CAT it's there but is empty apparently . We have the description of the codes but can't find the problem any suggestions guys much appreciated it . If it helps the starting problem is worse in the mornings and after few idle hours , it turns over but takes 4 or 5 times to start sometimes if I use central locking to lock and unlock it will start . Starting problem only occurs when the light is lit up upon turning the key in ignition . Thanks please see image attached
 

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Discussion Starter #3
Sorry this post was meant for the 307 area which I reposted it there but unable to delete it from the 306 area if admin wouldn't mind deleting it . Thank you
 

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Discussion Starter #4
Hi it's year is 2002 and it's 1.4 hdi 307 my mechanic said he's doubled checked the fuel filter which was remarkable clean he said .
 

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Discussion Starter #6
How can you check the fuel filter ? Please excuse my ignorance I'm useless with cars , 4 mechanics I've been to 1 in particular specialises in diesel electrics even he couldn't find the problem .
 

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Discussion Starter #8
Sorry I don't understand what you mean by expensive fuel 30/40 euros ? You reckon might possibly be 1 of the 2 suggestions you listed ,how can we check the fuel filter to see if it's the problem? Thanks
 

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You can't really check the filter, it is a molded plastic piece with a paper filtering element (like a coffee filter) inside. You can't open it up and check for debris and gunk inside, unless you cut or smash it in half, in which case you will have to replace it. If you don't know when it was last replaced, replace it.
 

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Discussion Starter #10
Ok ill tell my mechanic to do that and will I need to programme the car that a new one is in place and also wipe the codes ? Bare in mind his computer won't leave us delete the code . If changing the filter doesn't work then ??Thanks again
 

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Expensive fuel filter, sorry.
As for maf sensor, don't bother chasing it, it won't affect starting, car would just accelerate poorly al the time or at certain rpm's( flat spots)
 

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Discussion Starter #12
No like I said the only problem I have is starting it . It's driving like I have no problem at all which is strange .
 

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He has delphi sofware, but can't delete codes:lol:? Something not right there.

You won't need to reprogramme anything after changing diesel filter.

Tell your mechanic to pump the diesel primer bulb after changing the filter insted of burning out your starter motor.
 

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Discussion Starter #15
Spoke to my mechanic today he said he took out the fuel filter and said there's a hole at the end and he drained it and knew by the colour of the fluid it's not blocked up or dirty it's fine he said . The spoke to main dealer and informed them the air flow meter was changed so they said if I bring back to them there next step is to replace the EGR valve and that's the only other thing they said can be causing this problem but my own mechanic refutes that and said he's certain that's not the problem . Main dealer said try that with them for 200 euro see if it fixes it and if not they'll move onto something else at my cost not there's imagine ! I honestly can't believe if they don't fix it after taking 200 from me that I should give them more money to try fix it again !
 

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When all else fails "swaptronics"

I would not give them 200 euro for a guess.

This car mechanically is not all that complicated, it's a simple vacuum actuated egr valve for example. They get clogged up with carbon, cleaning it usually fixes the problem.

Italian tune up can sometimes, temporarily give the egr a bit of breathing room.

Personal, i don't judge a filter by what comes out the water separator, hole in the bottom.

It is only difficult to start when the mil light is illuminated, interesting. Really if the main dealer had the car with Peugeot planet while the fault was occurring they should be able to pin point it directly, instead of just throwing this on it and see if it works. They could check injector flow correction, cranking speed, fuel pressure, coolant temp, glow plug timer and with that make an educated guess.

Did they ask for you to leave it with them over night to see if the symptoms occur the following morning.
 

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Discussion Starter #17
No they didn't they just said we'll try the egr valve first and "see what happens" then if that doesn't work they'll move onto something else but again at my expense . He said there diagnostic results threw up 3 faults as shown and they said the air flow meter fault can show up for a number of other faults , my own mechanic reckons the impact sensor fault is the one causing all this as it telling the car not to start due to a collision , if he can find the wire fro the airbag routing aback to the ecu and either disconnect it or fix it but he said its a massive job to trace the wire and it's not his speciality so I'm stuck with this problem that no one can fix .
 

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Crash sensor data airbag faults abs faults will NOT affect engine starting or running most common reason for not starting on this engine is air being drawn into fuel lines as has already been said.

Codes cannot be deleted when the faults are permanent the faults must be fixed first.

Crash data can NEVER be cleared by diagnostics it can only be cleared by wiping the memory or replacing the airbag ecu
 
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