Stilo misfire

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Stilo misfire

itsamugsgame

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Nov 6, 2010
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Hi Everyone.

I have a 2004 Fiat Stilo 16v Active Estate. It is petrol with an LPG conversion.

It runs very lumpy when cold (as though it is choked). Once warm, this clears but there is a slight misfire which is noticeable when driving slowly or in town.

This problem is exactly the same whether it is running on petrol or LPG.

The cam-belt was changed (professionally) a few months ago & I am pretty sure that it has got worse since then. I had it checked out on a diagnostics machine but no faults appeared.

I have changed the plugs but again, no change.

Any ideas?

Thanks.
 
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