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Renault Trafic 2.0dci '08 - I do not want to ignite after replacing the head

Radzix15 10401 32
Best answers LABEL_AI_GENERATED

Why does my 2008 Renault Trafic 2.0 dCi start for a few seconds and then stall after head replacement, with STOP/ABS/AIRBAG lights and no rail pressure?

Most replies point to a fuel-pressure/air-in-fuel problem rather than the alternator regulator or the warning lamps cutting fuel [#16344369][#16329877] The quickest next step is to connect the car to a diagnostic computer, read the stored faults, and watch the actual rail pressure while cranking so you can see whether it ever reaches starting pressure [#16344369][#16348203] Check the fuel filter, primer bulb, and any air leaks in the supply line, because a heavily air-permeable fuel system was suspected in the thread [#16325399][#16348089] A simple bleed method suggested was to loosen the injector pipes, crank the engine until fuel comes out, then tighten them and try starting again [#16348314] The camshaft sensor and air-intake/flow-meter were also mentioned as checks, but the engine should still start without the flow meter, only run poorly [#16325399][#16325739][#16329956]
AI summary based on the discussion. May contain errors.
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  • #31 21748501
    panrys87
    Level 11  
    Posts: 83
    Rate: 36
    I had just 2 days off, so there was no way to count on earning money, but at least the money will be in my pocket 😉 and it's not that the whole two days spent on it, the work looked like every 2-3 hours I came to tighten a screw or correct the position of the device, and that was it, a maximum of 5 minutes of work. The only thing I didn't need was the hammer, but maybe it will come in handy one day, besides I couldn't find anyone in my area who does this, the nearest ad was on OLX and it was 200 km one way from me.
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  • #32 21748516
    genek1000
    Level 35  
    Posts: 2294
    Help: 289
    Rate: 1057
    panrys87 wrote:
    I had just 2 days off and so there was nothing to count on earning, but at least the money will be in my pocket 😉 and it's not that the whole two days spent on it, the work looked like every 2-3 hours I came to tighten the screw or correct the position of the device and that was it, max 5 minutes of work. The only thing I didn't need was to buy the hammer, but well, maybe it will come in handy one day, besides I couldn't find anyone in my area who does this, the closest ad was on OLX and it was 200 km one way from me.

    👍
  • Injector fault causing jerks and stalling under load

    #33 21755013
    panrys87
    Level 11  
    Posts: 83
    Rate: 36
    Update.
    The injector has been replaced, there is a big improvement, the engine runs smoothly, there is no misfire error and it would be ok if it were not for such a problem, during stronger acceleration, e.g. when overtaking, you can feel individual jerks and between 2-3 thousand revs it can stall. It fires up normally.
    The errors it shows are df028 Cylinder injection control circuit 3.Injector control. Discontinuous . Short circuit
    Df 532 alternator charging information. Consistency between excessive charge pressure and atmospheric pressure. Discontinuous
    Df119 Timing battle sensor. Constant. Signal inconsistency.

    The valvetrain sensor error has been there since the beginning of ownership because I have an engine inserted from a Laguna II and there is a camshaft with two splines to the sensor and hence the error, however there have been no driving problems since the beginning.

Topic summary

LABEL_AI_GENERATED
Discussion about a Renault Trafic 2.0 dCi (2008) that starts briefly and then stalls after cylinder head replacement following overheating and head cracking. The troubleshooting covers fuel bleeding, fuel filter condition, injector replacement/adaptation, camshaft position sensor, airflow meter, alternator voltage regulator, starter, rail pressure, and possible air ingress in the fuel system. Diagnostic advice repeatedly recommends using a computer to read fault codes and live fuel pressure data. Later updates mention a misfire on cylinder 4, injector removal and replacement, improved running after injector swap, but remaining jerks under load and several stored faults including injector control circuit, alternator charging information, and timing sensor signal inconsistency.
AI summary based on the discussion. May contain errors.
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