Question about 2005 Peugeot 407 2.2

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2005 Peugeot 407 2.2 Petrel engine Engine light on display reads Depoloution fault. I chnaged the MAP sensor and reset the light but after 25 k's it comes back on? any ideas??

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Posted on Jan 02, 2017

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SOURCE: need to change rear pads and adjust hand brake on a 407

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Posted on Jun 26, 2008

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it is a warning of something fault in your car it is probably with electricity and you cannot know it you must go to a peugeot service center to fix it

Posted on Jun 15, 2009

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SOURCE: Peugeot 407 not 405 blocked windscreen washer

its in the pump it self mate ya have to take the pummp out of the bottle

Posted on Jan 17, 2010

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Posted on Apr 23, 2010

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SOURCE: I have a Peugeot 407

You need to have an OBII scan done (fault scan). Scan will identify what sensor triggered light. It may or may not be "critical" but it's worth investigating before it gets worse and causes more damage.

Posted on Mar 16, 2011

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1 Answer

It was indicated yellow bulb engine warning bulb .is it petrel pumping case

No the engine light is telling you there is a sensor throwing a fault you need to get the codes read to find out what sensor is finding something outside its allowable readings or the sensor or wiring is damaged

Feb 05, 2017 | Cars & Trucks

1 Answer

Peugeot faults

i cant help much no Peugeots here,.
but like all cars, they moved the engine cooling fans controls
to the PCM.
the PCM has programming that trips the fans at a specific temp.
the PCM reads the ECT sensor (main EFI sensor) and at about 215 or more temp , it closes the Fan relay.
most newer cars work this way.
but if you buy the FSM for your car, its all there. read it.
hot wire the fan, does it work>
test the fan relays are they good.
if yes, then it gets more hard.
on our cars we attach a scan tool to make sure the ECT even hits the
spec.temp, hot idle parked.. It must.

Jul 02, 2014 | 2005 Peugeot 407 1.8

1 Answer


a turbo?

that means its a hard fail.
you must be using a real scan tool to get p2 codes. p2 is a factory only code. GOOD>
we dont have Peugeot cars state side. but can help.
is this gas engine?
EW7 (6FY) gas. DOHC< MPI. ( this it?)
we look up only Peugeot codes.
ever use google.?
and look in real forums?

the best way to work on cars is with a real FSM
it tells you what the DTC mean and what were the test conditions.
and using a scan tool see the freeze frame.
to see with the sensor read , at the fail.

best i can do zero books on Peugeot here.

or join a real Peugeot forum.. a shock !

Jun 26, 2014 | 2005 Peugeot 407 1.8

1 Answer

Peugeot 407 coupe 2.7 hdi p0069 fault code comes up depollution system faulty

o2 sensor needs to be replaced and computer reset by disconnecting battery negative cable for 1/2 hr then reconnecting. Good Luck!

Oct 20, 2011 | 2005 Peugeot 405

1 Answer

I have a Peugeot 407 SW 2.0 HDI I have recently had the particulate fluid topped up and engine management reset. The car is running well but a warning light has come on--not flashing, saying 'emission...

You need to have an OBII scan done (fault scan). Scan will identify what sensor triggered light. It may or may not be "critical" but it's worth investigating before it gets worse and causes more damage.

Mar 16, 2011 | Peugeot 405 Cars & Trucks

2 Answers

Peugeot 206 1.4lx misfiring engine light flashing run fine for a few days then start problem again diagnostic showed too many faults to determine problem

i would reset the light and start over. it sounds like things were unplugged for testing purposes. dont let it intimedate you. let me know what else you find. you can e mail me at

Nov 04, 2009 | 2005 Peugeot 405

4 Answers

ESP and warning lights on Peugeot 407

abs esp warning light coming on peugeot 407

Feb 15, 2009 | Peugeot 407 Cars & Trucks

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