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PEUGEOT 306 2.0 HDI check engine control, there are still moments after switchin

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This content has been translated » The original version can be found here
  • Level 6  
    Hello. I have a problem with Peugeot 306 2.0 hdi. The car went normally until it got cold. Namely, it stood in the garage (not insulated) 3 days in the cold and was not fired. After these three days, the car was fired because of the weak battery. After starting the car went out at idle as well as after adding gas, also went out while driving. And the engine walked a while after turning off the ignition. In the evening of the same day the check engine light came on. The car was brought to the Citroen service, where the solenoid valve at the fuel pump was replaced, a new fuel filter, and the entire fuel system was cleaned. The car drove normally for 1 day because the engine light came on again, the car turned up to max. revolutions and there were still moments after turning off the ignition. And another visit to the website where the car was connected to the computer and showed errors (in the attachment diagnostic report), errors were removed and the car was normal again, i.e. it had power and did not go on after switching off the ignition but one day after visiting the website the problem appeared again. Or maybe some of the forum users had a similar problem and knows how to solve it ??
  • Helpful post
    Level 35  
    Give them the car since you paid and they didn't fix it.

    If it works up to 2.5 thousand turns, the computer has gone into safe mode.
    Working for a few seconds after switching off the ignition is a typical symptom for the fuel pressure regulator on the toilet pump. But the regulator can be undamaged, and the pump that can peel and kills the strainer that is in the regulator.

    You paid for a mechanic, let them fix it.
    In my opinion, paraffin has precipitated from the fuel and the toilet pump is flaking.
  • Level 6  
    The car returned to the mechanic. They checked the injection and it turned out that one pouring heavily and the other three are also to be replaced or regenerated. Injections have been changed to efficient used and the car still does not go as it should. Sensors have also been checked and look functional. It looks like it could be something with a pump like a colleague wrote.
  • Helpful post
    Level 1  
  • Level 6  
    I will add that earlier, when the key from the ignition key was turned a few times, the car started and walked normally, i.e. the engine indicator light was on but after a while it went out but on the second day it started again and the engine went out while driving and the computer entered the emergency mode. Turning the key helped for about 3 days and then even it did not help.


    greetings
  • Level 1  
  • Level 6  
    The car came back from the mechanic 5 days ago during the return, once went out, then it started up normally and no indicator was displayed. A few hours later, the yellow engine light came on and the car was in emergency mode again. After a while, the indicator went out and everything was back to normal, i.e. the car still works as it should, except that sometimes the engine gently waves at revolutions at a standstill. The mechanic replaced all four injections with other used ones, and I noticed that the air was gently escaping from one injection because it was spilled with oil and there were air bubbles. Could this be the reason for the motor waving from time to time?
  • Level 42  
    May or may not. But it needs to be improved quickly because you will burn out the nest and you will replace the head
  • Level 6  
    I'm sick of this car. Today he started to smoke hard regardless of whether the engine is cold or warm. After about 5-7 seconds, the filming only starts
  • Level 1  
  • Level 6  
    It turned out that the fuel regulator at the pump is to be replaced and the high pressure pump needles because there were a lot of swarf in the place of the regulator. After connecting the second regulator, everything is fine except that the engine sometimes gently waves with revolutions and the mechanic is in the process of determining the cause of this wave. That is to say, the high pressure pump and regulator need to be replaced, and the whole system will probably be cleaned. And I will add that the injections have been checked and have correct transfers.
  • Level 10  
    The high pressure pump can also be regenerated. And it will definitely come out cheaper for you. Bosch CP?
  • Level 1  
    The pressure regulator on the toilet pump is guilty to clean the fuel filter system and remove the strainer from the regulator, because of this trash the regulator stops working, kills and swarf
  • Level 35  
    Kapizion wrote:
    The pressure regulator on the toilet pump is guilty to clean the fuel filter system and remove the strainer from the regulator, because of this trash the regulator stops working, kills and swarf

    And the filings are still in the system and damage further elements of the fuel system (injectors).
    Harmful advice!