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Thread: 3.2 GSI Cylinder Fault

  1. #1
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    Default 3.2 GSI Cylinder Fault

    Tuesday morning my beloved 2004 spec GSI was firing on all 6 cylinders like a kitten, when all of a sudden out of the blue the Engine Management Light starts to flash at me, this is the 1st time I have seen this light since I bought the car in Jan 06. It then started to run really ruff like it was misfiring and was sounding like it had no oil. I had it towed to my dealer as I didnít want to risk doing anymore damage to the engine.
    They have told me that the car came up with 3 error codes and that they would have to investigate further. This morning they call me and tell me that cylinder 5 is suffering from loss of compression and that then tried a new coil pack and spark plugs but still no joy, and that they would have to strip the cylinder to determine why cylinder 5 has no compression. The car is 6 months out of warranty and I have called Vauxhall customer care and they have logged a case and will talk to the dealer in regards to perhaps paying part of the bill as at the moment they are hitting me for £700 just to determine the problem.
    Has anyone come across this problem before and if so what was the cause?

  2. #2
    Regular Member Gsi3.2's Avatar
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    it could be any of, valve burnt and not sealing, blown head gasket between cylinders, holed piston..a simple compression test will reveal more for you and it's quite easy and inexpensive to do..

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    GSI 3.2 I have since spoken to them and they are still insisting on stripig the cylinder, They did mention that the spark plug on cylinder 5 looked a bit oily.

    Wouldn't they of performed a compression test or is that too logical for a dealer to perform??

    Thank you for your response GSI 3.2

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    I fail to understand why having diagnosed a loss of compression the dealer proceeded to replace the spark plug and coil pack.

    Checking the plug for condition and to ensure it's seated correctly would seem sensible.

    Did they say what the 3 fault codes were ?
    or what the compression readings of each cyclinder were ?

  5. #5
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    as HHH said, they should be able to list the figures to you.. if the plug is wet with oil, the 1st thing you'd do is to run a compression test to see if the rings are intact or not..before even thinking about stripping it down....if the plug is wet with fuel, then i'd look at the coilpack and plug incase it's not firing the spark...but they said oily, so why they haven't do a comp test is beyond me. they prob want to strip the piston to look at the rings and charge you for a bigger job..FFS, you can even stick a borescope down the plug hole to see if the bore is worn or damaged without removing the head..

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