Fabia W reg 8v head problems

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12 January, 200917 yr

Hello,

I have just replaced the head gasket on my 8v MPI. The head was very badly warped and I have machined 1.25mm to achieve the required flatness. I realised that the compression ratio would increase so I have measured it at 10.78:1. Now it is back together, it is erratic at idle when cold and does not respond to acccelerator depression without the revs dropping until the engine is warm. Does anyone know if this is due to the engine management system needing altering to cope with the new CR or does it have something to do with spark plug gaps? Please help.

12 January, 200917 yr

Welcome. You may be better off posting your question here.

13 January, 200917 yr

welcome

13 January, 200917 yr

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