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Discussion Starter #1
EngINE management light is still on and depollution filter faulty warning, even though new dfp has been fitted. Car still loses power after 3000 revs.

took it to rrg peugeot aND they diagnosed
P0107- ATOMOSPHERIC PRESSURE SENSOR
P1457- EXHAUST DIFFERENTIAL PRESSUE SENSOR
P0299- TURBO PRESSURE ELECTRO VALVE.

this cost £60 for diagnosis but they wanted another 150 to check wiring and then plus parts AND LABOUR and they not sure which one.


Can anyone please help with this ?
ALSO WHERE IN THE ENGINE IS THE ATOMOSPHERIC PRESSURE SENSOR LOCATED. ?
 
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The only fault of interest there is the bottom one. thats your problem.
The vacuum system need to be checked.
I'd be betting on the turbo solenoid valve. Its above the driveshaft at back of engine.

check this:

When you start up the engine does the little rod on the turbo capsule move downwards?
 

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Hi David . Thanks for the advice again.I will ask the mechanic to check this tommorow.
Sorry what does it mean if the rod moves down or it does not.
Also how does this turbo problem affect the dpf.?
Shall I not buy any sensors until we check what u said.?
Many thanks again.
 
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Hi David . Thanks for the advice again.I will ask the mechanic to check this tommorow.
Sorry what does it mean if the rod moves down or it does not.
Also how does this turbo problem affect the dpf.?
Shall I not buy any sensors until we check what u said.?
Many thanks again.
Theres nothing wrong with your DPF.
Find out above first. Get the rod checked and see if its moving.
 

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Discussion Starter #5
dfp and sensors

Hi David

Yes the little rod moves downwards when the car starts..

think the mechanic mentions that it was fine.

any ideas as to what to do next please......

thanks again
 
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Hi David

Yes the little rod moves downwards when the car starts..

think the mechanic mentions that it was fine.

any ideas as to what to do next please......

thanks again
Check the shaft of the turbo!
 

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Discussion Starter #7
probems with 308 hdi

Hi David. Mechanic checked and found air doser was leaking ,I replaced it and put it on computer but same faults..And car still losing power at 3000 rev and depolllution filter faulty and of course eng man light is on.

Please can u advice further.....thanks again.
 
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Hi David. Mechanic checked and found air doser was leaking ,I replaced it and put it on computer but same faults..And car still losing power at 3000 rev and depolllution filter faulty and of course eng man light is on.

Please can u advice further.....thanks again.
A leaking air dosier valve won't cause your problem. I'll bet it was oil?

What are the fault codes?
 

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Discussion Starter #9
DAVID- Yes u right oil was leaking.... really fed up with this car now.what next???
P0107- ATOMOSPHERIC PRESSURE SENSOR
P1457- EXHAUST DIFFERENTIAL PRESSUE SENSOR
P0299- TURBO PRESSURE ELECTRO VALVE.
 
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DAVID- Yes u right oil was leaking.... really fed up with this car now.what next???
P0107- ATOMOSPHERIC PRESSURE SENSOR
P1457- EXHAUST DIFFERENTIAL PRESSUE SENSOR
P0299- TURBO PRESSURE ELECTRO VALVE.
My advise, go to someone who knows these cars. There are too many chancers that throw parts at a problem. They seem to have no idea what a diagnostic procedure is.
Get the vacuum system checked and the turbo electro valve also.

Replacement of the dosier valve is not needed also as sealing it around its leaking edge cures the problem.
 
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