My S2 was running ok lastnight until i took went for a run on the motorway. When i came off the car seemed like it was running on 3 cylinders. I pulled over straight away and when i poped the bonnet the oil cap had come off. I let it cool down checked the oil and that was ok but now evertime i start the car it sounds like its on 3 cylinders and it pops the oil cap off. Does anybody know why this could be.

Any help is much appriciated

Thanks

Chris

 

Sounds to me like it could be time for a rebuild mate, piston rings could be worn which causes the cap to pop off.Really you need to get a leakage & compression test, leakage normally tells a lot more than compression

 

as above your rings are fooked mate

 

I thought so hopefully get it tested today. How much would i roughly be talking to get it rebuilt back to standard? Thanks for the help.

 

The top post is very breif chris. Rather than "went for a run on the motorway" why dont you tell everybody what really happend. Ok so i will tell it as you. Last nite at about 1am when an m3 tried to come past me i thought f~#* that and gunned the rst, the m3 slowly started creeping backwards and me and my 2 mates were laffing our heads off, i then hit the rev limiter in 4th which let out a massive flame and a bang which is always good for the engine and looks really cool. Then with the sound of my mates shouting KEEP IT PINNED! into 5th i went and gunned it again still laffing and still pulling away from the m3. I didnt shut off untill the car was off the clock and the slip road was approaching the m3 was a dot in the distance which is when i discovered that the car wasnt running at its best and that 150mph run mite have done some damage so i pulled off to a side road to try and work out what could possibly be wrong. I came to the conclusion that 150mph combined with the fact that the car has been stood in the garage for 6 months and this was its first run out mite all be contributing factors. I think this is much more in detail Chris. All on a private test track obviously. ZVH time mate.

 

love it

 

sounds like it was worth while to me lol

i'v done this a few times, when mine was stripped and inspected closer on 2 occasions it had cracked a piston, and the other 2 occasions it had melted a piston, all due to running weak, the pressure then coming back up through the head is what blows the oil cap off.

 

sounds like engine time