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Thread: chugging and cutting out.

  
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    chugging and cutting out.

    Hi,

    Iím not too sure of the year but I think its 2001 as it only has 43k on it. Its and Astra 1.6 8v club I think? Itís my girlfriendís mateís car and she is having a bit of trouble. When she is driving along sometimes mostly once it has warmed up it chugs then cuts out then is quite had to start. I changed the oil filter, fuel filter, spark plugs and oil for her and it is the same? Any ides on what this could be. She says she took it to a garage and plugged it onto the computer and it read no faults but the garage doesnít seem to have that good of a reputation. The engine management does not appear when this is happening? Mostly when in 3rd gear slowing down to approach a round about seems to be the main time it happens? Any ideas appreciated?

    Cheers

    Ross

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    Quite possibly the Engine coolant temperature sensor. £15 from Vaux.

    Basically it tells the ECU how hot your engine is. When faulty it starts to read (once the car has warmed up) that the engine is cold. The ECU compensates by adding more fuel (as it should), which at this point you'd be experiencing surges and rough running. Eventually the engine will be overwhelmed by petrol and will stall or cut out because the engine will be flooded.

    Tech2's (diagnostic machines) won't find the fault because the ECU is working correctly and is adjusting as it should do to the information it is being told. I only managed to find the problem on my car because I had it properly diagnosed with the reports of each sensor being sent to the laptop and then studied individually.

    My car is the 1.6 16v but I'm sure it'll be the same thing. (Common fault on 1.6's).

    jam
    Its a jam thing

    Haec credam a deo pio, a deo justo, a deo scito?



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    is thsi hard to change? where is it situated? big job? seems to make sense. thanks for the feedback ill get back to you!

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    Nope easy job profiding you have 2 hands and 8 fingers and 2 thumbs?

    I can only tell you where it is on a 1.6 16v mate....


    It is a little green connector on mine
    Its a jam thing

    Haec credam a deo pio, a deo justo, a deo scito?



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    could it also be the EGR valve mabe??
    The car in front is my astra!!!!!!!!!!!!!!!!

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    It could also be the idle control valve. You've mentioned that it is happening when slowing down, i had a 1.4 that when you dipped the clutch the engine would chugg and then the revs would bottom out and the car would stall.
    Summit White Astra J GTC VXR 2.0L Petrol Turbo (276 PS) with Aero Pack and 20's

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