Question about Peugeot 407

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Peugeot depolution system failure problem - 407 Peugeot Cars & Trucks

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  • Peugeot Master
  • 3,679 Answers

You have'nt mention age of vehicle but i assume it's fitted with OBD so i'd have the codes read ,this will pinpoint the sensor/switch that could be causing the problem keep me posted if you wish

Posted on May 12, 2014

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Posted on Jan 02, 2017

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SOURCE: My peugeot engine management light comes on and

The car will have to be plugged in for diagnosis. There's no way of knowing how expensive this will be to sort out?
_________
Launch X431 Creader VIII

Posted on Jun 05, 2013

ccstevejr31
  • 74 Answers

SOURCE: My peugeot 407 hdi sw is saying depolution system

chek for a collapsed catalytic converter and/or a clogged exhaust system...if it only smokes when 1st started, it could need valve seals...chek for clogged charcoal canister too if equipped...

Posted on Nov 27, 2013

  • 44 Answers

SOURCE: White smoke from my exhaust on my peugeot 407 hdi

Try to replace the dpi filter...then follow this method to "remove" the code after you replace the dpi filter:
try to reset the maintenance computer. To do that, remove the car key. Press continusly on the "check" botton on the dash board. Put the key in and switch to on, but don't start the car. Wait 10 seconds (on screen 10-9-7...-0). Nowthe maintenance computer go to 20,000 and erase all old warning report. If the engine light and the "depolution" warning keeps showing up after that, it means there are still fuel related problems. make sure you are using the right fuel and fuel filter!!!. Don't use cheap fuel/filter, like at supermarket store, etc..get them from real gas station/auto part store...

Posted on Nov 27, 2013

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2006 Peugeot 2.7 HDI.Gearbox-protrction mode-NRPD faulty, depolution system faulty,air suspension faulty, automatic headlamp adjustment faulty. What could the problem be?


I hate to say it, welcome to French car electrics. Check as many harness connections as you can for fit and corrosion. Especially the fuse box plugs.

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Start checking fuel filter, fuel pump and injectors.

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1 Answer

White smoke from my exhaust on my peugeot 407 hdi sw and says depolution system faulty


Try to replace the dpi filter...then follow this method to "remove" the code after you replace the dpi filter:
try to reset the maintenance computer. To do that, remove the car key. Press continusly on the "check" botton on the dash board. Put the key in and switch to on, but don't start the car. Wait 10 seconds (on screen 10-9-7...-0). Nowthe maintenance computer go to 20,000 and erase all old warning report. If the engine light and the "depolution" warning keeps showing up after that, it means there are still fuel related problems. make sure you are using the right fuel and fuel filter!!!. Don't use cheap fuel/filter, like at supermarket store, etc..get them from real gas station/auto part store...

Nov 27, 2013 | Cars & Trucks

1 Answer

My peugeot 407 hdi sw is saying depolution system faulty showing engine management light and blowing smoke from exhaust when started


chek for a collapsed catalytic converter and/or a clogged exhaust system...if it only smokes when 1st started, it could need valve seals...chek for clogged charcoal canister too if equipped...

Nov 27, 2013 | Cars & Trucks

1 Answer

My peugeot 407 hdi 1.6 depolution system faulty came on and engine managment light . Car blew smoke now won't start what is it


could be a lot of things, blocked dpf filter, egr valve stuck open, injector stuck. need to have it plugged in to see what faults the ecu is holding.

Nov 27, 2013 | Cars & Trucks

1 Answer

My peugeot 407 hdi 1,6 sw depolution system came on and engine managment light ! It blew smoke so I stopped car won't start what causes this


Sorry dealer only and its going to cost about a 1000 pounds at least although i suspect that the timing belt broke as they still start even with this poloution light on

Nov 27, 2013 | Cars & Trucks

1 Answer

My peugeot engine management light comes on and screen says engine depolution system faulty what does this mean ?


The car will have to be plugged in for diagnosis. There's no way of knowing how expensive this will be to sort out?
_________
Launch X431 Creader VIII

Jun 05, 2013 | Cars & Trucks

1 Answer

What does depolution fault meran on a 207cc mean


The dreaded fault with these cars and a few others ,now what you do is find in your local area a specialist car computer repairer and ask them to remove this function from the cars computer ,then your ok but extreme circumstances you can get the exhaust box clogged up and lose power in which case fit a normal box once the computer has been modified .Right pain these so called particle filters on these otherwise good cars and a right rip off in the dealers with a new box costing something like 700euros

May 19, 2013 | Peugeot Cars & Trucks

1 Answer

Hi, I'm getting code p1445 (additive level too high) after I refill additive (fit almost 4 lit.). I try to reset counter to zero but ecu reply there is no communication with ecu and on display message...


recently had similar problem 307 55 hdi engine code RHR getting p1445 + p1435. Hooked car up to launch 431 code reader got p1445 purge flow sensor circuit high input. pa435 a/c ref temp circuit range/performance no contact. Then hooked to snap on ethos p1445 diesel additive system quantity too high. p1435 diesel additive system incorrect message from can bus. checked tank level 1/3-1/2 tank about right for 55k fired pump by shorting briefly appeared to work as youd expect. few hours later after dismantleing most of car looking for depolution ecu stumped ! next day dropped in to local peugeot dealer who i know well after a conflab they agreed these are common codes easy solution! The depolution ecu is found either beside the passenger seat (left) against the sill or depending on where its built behind the fuse board/glove box (where this one was) just remove felt under glove box look up with torch behind fuse board youll see big relay type unit with slide out release (red) unplug clean (toothbrush w40) apply vv slight pressure to pins to adjust contact, refit, clear codes job done !! Common problem apparently worked for me easy & simple place to start !

Jan 18, 2011 | Peugeot Liberte Cars & Trucks

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