Question about 1991 Peugeot 405

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Peugeot 406 engine suddenly dies when running if the temperature meter show below 70

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  • geoff759 Dec 30, 2008

    Similar problem, Engine loses power intermitently at c70deg. Speedometer also drops to zero. Fault lasts for 5 to 15 seconds then clears.

  • Steve Campbell Jan 21, 2009

    I have a '98 2.0ltr 16v glx estate that does this. Dammn dangerous when changing gears or slowing to a stop. Both the rev counter and speedo drop to zero, with the dash lights coming on.If the car is rolling I can bump it, and all the dash light go out, if not I can normally key start.
    Car reguler service by P.Main Dealers,with their 123 scheme, and recently had MAP sensor changed

  • sheldon331 Feb 14, 2009

    HI there,

    I have the v6 model and I had a similar problem, would just be driving and all of the sudden the engine would die.

    Took this to peugeot and took thenm a couple of goes to fix, but what it is, is a $60 dollar temp sensor, that does nopt show up as faulty when diag.

    There are three sensors that read tem, and this is to do with the fuel temp, it reads that the car is cold and makes the auto choke come on, and the car stops. Take the car to your peugeot dealer and mention this. I think that it is a green sensor.

    Hope that this helps.

  • tsummers11 May 11, 2010

    Have you checked the compression of the cylinders?



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Most likely the ECU (Engine Computer Unit) is responding to some duff sensor / loose cable / whatever ..

All modern engines have more sensors than you can shake a stick at, some positioned in the most inaccessible places, that can cause the most obscure problems imaginable (remember the Oxygen Sensor in the Exhaust manifold that was 'poisioned' by some dufff supermarket petrol ??)

It's a Peugeot garage computerised diagnostics job I'm afraid...

Posted on Feb 10, 2009


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Where is the engine number not code on a peugeot 406 2.0 hdi 2003

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1) first check if the battery finaly died and can't hold proper voltage. If it is having 12V just before starting but drops fast a new is required.
2)This may be a long shot but give it a try. If one diode in the generator is broken you might see this kind of problem. With the battery fully charger try to disconnect the generator. Take care for shortcut of the cable taken off - it is still plus from battery. If the problems dissapear then the generator is ready for a being reworked. Do you know why the battery vent flat? if not this can be the same reason. With only one faulty diode the generator will still do some chargeing with engine running.
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What the normal operating tempature of peugeot 406

as with all cars it depends on the thermostat that has been installed but should be about 180 to 200 degrees F. this is pretty much standard in all autos due to the boiling point of water and the need to prevent too much pressure from building up in the system which could damage gaskets ans seals etc. check the specification section in your glovebox manual as it may have the answer for you as well. be careful not to open up the system if its hot to prevent burns.

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What is the antipullution fault on peugeot 406?

If you drive your car more likely for short distances then the regenerating process couldn't be started to clean the cloged particulate filter and finally your car's ecu show you a antipollution fault. Drive your car to a motorway or dual carriage way.

The temperature meter should be showing above 70°C when you begin with this process. If this is the case, slow down place 3rd gear and drive at 3000-3500 rev /min to let the ecu to kick the regeneration process. Keep driving car 15 minutes in this state will be enough to solve this problem.

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Electrical fault on peugeot 406 hdi

lift the carpet at o/s/f {drivers front footwell} there is two multiblock connecters guarenteed tobe sodden with water disconnect connectors& dry with a hair dryer on low setting hopefully the pins are not corroded reconnect connectors this is aknown fault i have worked with peugeot&citroen for 24 years kind regards alastair

Jan 28, 2009 | 1991 Peugeot 405

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