how can i fix my vauxhall vectra?

i drove through a flooded road, afterwards the car run ok for half an hour, but the next day it seems to misfire and there is a strong smell of petrol coming from the exhaust also it has lost alot of power can anyone tell me how to fix this problem thanks
chris bassett, May 2008


done
i had similar mishap and i found it was a ht lead that had shorted out through the water damaged , changed plugs and lead . still the same so changed coil pack and all ok now..the water got through perished rubber on lead..
so car was missing badly and fuel comsumption went out the window..

jumpingmaster, May 2008
link Click here to see other fixes for Vauxhall Vectra.