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Hearing Shots from Exhaust Pipe & Power Drop in VW Golf III 1.8 Petrol: Ignition Issues?

blackpower 49677 15
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  • #1 596274
    blackpower
    Level 17  
    Hello

    The beginning of the glitch was in my previous post. Now, however, another one has arrived, so when driving on gasoline and at a speed of over 50 km / h, you can hear shots from the exhaust pipe and a drop in engine power (no acceleration). It's okay on gas. I asked at the gas station because I thought maybe some gasoline was left or what. And they told me it might be a wrong ignition. Nobody fumbled in the ignition, and I don't suppose that was it, although I might be wrong. Recently, I only replaced the candles with new ones.
    Guys, help me.
    VW golf III 1.8 petrol
    Regards
    Leszek
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  • #2 596301
    dex
    Level 27  
    Completely unburned mixture gets into the hot pipe and "collapses".
    There may be several reasons for this: ignition, valves and something else ...
  • #3 596333
    tarnowski
    Level 22  
    Such a symptom indicates that the explosion in the cylinder continues with the exhaust valves open and the mixture burns up in the exhaust. Really the strobe first and see what happens with that ignition. I would look for a fault in the high voltage system and the ignition acceleration system.
  • #4 596374
    blackpower
    Level 17  
    And shouldn't it be the same when driving on gas?
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  • #5 597463
    tarnowski
    Level 22  
    blackpower wrote:
    And shouldn't it be the same when driving on gas?


    It may or may not. The gas-air mixture burns faster and the valves may close ...
  • #6 597510
    boomerang
    Level 19  
    the effect of shots from the pipe + fire 30 cm long I used to be thin. They wanted to make valves for me, replace the electronics module, and I ended up adjusting the gap with a gap gauge at some angle sensor, I think the flywheel did something like that. After the knockout, it was set up wrong and the symptom appeared in autumn, when something got dirty. The sensor I wrote about actuated the electronics block, and because it was working uncertainly, the ignition did not take place at this point.
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  • #7 597786
    tarnowski
    Level 22  
    boomerang wrote:
    the effect of shots from the pipe + fire 30 cm long I used to be thin. They wanted to make valves for me, replace the electronics module, and I ended up adjusting the gap with a gap gauge at some angle sensor, I think the flywheel did something like that. After the key, it was set up wrong and the symptom appeared in autumn, when something got dirty. The sensor I wrote about actuated the electronics block, and because it was working uncertainly, the ignition did not take place at this point.


    Really .... If the GPZ info is taken from the crankshaft position sensor, it can be ...
  • #8 597889
    Anonymous
    Anonymous  
  • #9 598071
    dex
    Level 27  
    maybe one pot does not work and spits out unburned?
  • #10 598399
    camco
    Level 15  
    you have a rich mixture after opening the exhaust valves unburnt gasoline shot for the final check if it passes exhaust gas tests
    you have something wrong with the payload, maybe the automatic overtaking is not working
  • #11 599237
    ANTEQ
    Level 14  
    The ignition vacuum regulator, if there is one, or the tube that leads to it, the diaphragm may have gotten in it. I had the same symptoms and that was it.
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  • #12 600009
    teges

    Level 21  
    If the engine is working properly on gas, reset the computer and then check the work on gas, if it is good, install a special transmission that automatically performs this operation. / Do not use the usual relay. / I suggest you this advice because Bosch computer is installed in this Golf model.
  • #13 600118
    teodor76
    Level 17  
    I had a similar case as the client installed the candles himself, but before assembly one fell to the ground and there was no minimum break.
    check the candle break you have gas is 0.8mm
  • #14 600543
    Artwin
    Level 16  
    These Blackpower answers what, because I think that you just jumped the bar, and the guys wrote the encyclopedia.
  • #15 617987
    gtomaszg
    Level 12  
    for gas, a pause of at most 0.7 is set
  • #16 618853
    teodor76
    Level 17  
    gtomaszg wrote:
    for gas, a pause of at most 0.7 is set

    I wonder where do you get this information, mount the gas for the Ford Mondeo 1.6 16v from 93 to 96 years there, the factory break is 1.3 mm as the only car that has it, and take a 0.7mm candle break and see when after the first shot you pick up the filter housing from the ground and you will not go to the quill it's necessary to :idea:
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Topic summary

The discussion revolves around a VW Golf III 1.8 petrol experiencing backfiring from the exhaust and a noticeable drop in power when driving over 50 km/h. Users suggest that the symptoms may be due to ignition issues, such as incorrect timing or malfunctioning components in the ignition system. Potential causes include unburned fuel igniting in the exhaust, non-closing exhaust valves, or a lean fuel mixture. Recommendations include checking the ignition system, inspecting the crankshaft position sensor, and ensuring proper fuel pressure and injector function. The vehicle operates normally on gas, indicating a possible issue specific to the gasoline system. Users also mention the importance of spark plug gap settings and the need for a proper electronic control unit (ECU) reset.
Summary generated by the language model.
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