i have a 1.7astra diesel est mk 4(03 plate), whlist driving along in really wet conditions with deep puddles the car warning light came on with the spanner through it the car lost all aceleration and i had to pull over on to the road side the engine was still running but the accelerator would not do anything and when i put my foot on the brake the revs went down i turned the engine off and sat and waited for the aa for 1 hour,by the time he got to me the car started up fine and has been ok since could it be the wet weather and how do i find out what the problem might be as i am worried about using the car in wet weather