Question about Peugeot 308

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Anti pollution fault and engine management light on - peugeot 308

Hi I have a 308 (2009 reg) which has developed a anti pollution warning and the Engine management light. My mechanic fitted a patent Mass airflow sensor which his diagnostic picked up. This resulted in the car spluttering and generally running poorly. The old part was refitted and the car ran as before but the fault returned when the car was left to go cold. My mechanic will try another MAF sensor in case the part was faulty- although I am doubtful this will result in any greater success. Any help would be appreciated as this is becoming a pain Thanks

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  • Frank
    Frank Nov 21, 2015

    Hi Just Wr. Did you ever get the fault identified and fixed?I've got exactly the same on my 308. It is an intermittent fault. Took it to the garage and they cleaned spark plugs, reset dash warning light all seemed ok but a couple of days later it got jumpy and anti pollution light etc all back on. Any help much appreciated. Thanks. Frank

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Car keeps on slowing down, when iam driving and changing gears.

Posted on Mar 22, 2014

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Posted on Jan 02, 2017

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SOURCE: Ford Focus Engine System Fault warning light

yes there is a know problem with the fuel system. fuel pump breaks down, empty your fuel filter into a bowl and check for metalic, if you have this in the filter your pump is F..... along with all the other common rail stuff. expensive job... error codes though, i find that hard to believe, fuel pressure faults will occur, i think you garage does not know what to do. or does not want to tell you the cost of the job and he will be in doubt himself of wether he is right..... was you engine coil light flashing at any point.!!!

Posted on Mar 30, 2009

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SOURCE: hi my renault megane scenic has the engine light

Hi i think the problem is one of the coils ( very common on renaults ).
The shaking is the engine missfiring.
Because of the missfiring the emissions are not correct which brings on the engine light.
If you are able to get a diagnosis ( code reader ) done on the car it will tell you which coil is gone
I hope i have been of some help to you
John ( South Wales UK )

Posted on Jun 14, 2011

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SOURCE: Engine warning light on Mazda MPV 2002

There seem to be 4 sensors along the way in the air intake and emissions system.

My Check Engine light indicated a bad sensor 1, bank 2 code (I think).

I had my mechanic replace the sensor that was indicated as faulty... cost = $191.

Then the Check Engine light came on again (with a different code), and I had to leave the van with him all day.

Cost to replace and install that sensor = $115.

My advice: if the Check Engine light stays on *AND* your vehicle is riding rough, get it fixed.

Otherwise, put a piece of tape over that Check Engine light and save a couple hundred dollars!

Hope this helps, I do trust my mechanic fully.

Posted on Sep 01, 2009

Testimonial: "Thanks for taking the time to post your advice re my MPV problem. Although not a definitive solution, it's certainly good advice."

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SOURCE: fault code p0245 puegoet 406 turbo fault

My book shows that P0245 is the super/turbo charger solenoid "A" voltage is low.

Posted on Sep 29, 2009

Testimonial: "cheers for that x18wheeler60 thought it was low pressure not voltage,dont suppose you no which selonoid might be causing this nightmare."

alicantecoli
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SOURCE: 407 SW 136 diesel engine intermittent misfire/ hunting.

the rear exhaust box has filter in it and the sensor is showing it as blocked ,which i think it could be as their is a problem with this model and it has been modified ,i would be inclined to just fit a rear box with no fancy filter and try to do something with the sensor as it will continue to throw up the light which means it will not pass its inspection ,now the dealer might not be inclined to change this box as its expensive i think about 700+euros the last time i had this problem i fitted a normal box and shoved a shunt resistor across the sensor terminals ,but i dont know what the resistor value was as i took a load of old resistors out of an old tv and i tried then one at a time till teh light stayed out ,i know it had a gold band on it but thats about all

Posted on Jul 30, 2010

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I have no clue about your car, but I did do a search for your problem and found this, I hope it helps you out.

If you drive your car more likely for short distances then engine will not get hot enough to start the regenerating process to clean the cloged particulate filter resulting in a antipollution fault.

Drive your car to a motorway or empty dual carriage way (best in nights). The temperature meter should be showing above 60°C when you begin with this process. Place 3rd gear and drive your car at 3000-3500 rev /min for 15 to 20 minutes to let the ecu to kick the regeneration process. Keep driving car for 15 minutes in this state will be enough to clean your catalytic converter and your problem will be solved. But if it doesn't then the problem is with your catalytic converter and more probabily you need to change it.

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