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ben-g-boy

By ben-g-boy,
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ben-g-boy Rookie

ben-g-boy

Posted
Posted

i have a 316i coupe and i love my car but its got me stumped.

its down on compreshion but if i take off the oil filler cap its got good compreshon?

any idears cos in my book a leak should bring it down ?

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

How is the oil pressure? If its low then this could be a prob!

Even if its ok you could still have an oil channel blockage ! Does the temp needle rise to 3 quarter?

... Just a thought...

ben-g-boy Rookie

ben-g-boy

Posted
  • Author
Posted

thanks guys. the temp is fine and oil pressure. im gessing for the compreshion to be off the valve seals gone or some thing. but for it to have better compreshion with the oil cap off is new to me. odd that she runs fine anyway no missing nothing ?

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

That is a weird one mate, but if the valve stem seals were duff then you would have smoke when starting her up...

ben-g-boy Rookie

ben-g-boy

Posted
  • Author
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i know it would but this one has got me and every one i know stumped, i have been told whilst its running to leave alone but cant do that as i need the car running to its best of abillitys. lol

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

Try this... Start her from cold and go to the exhaust pipe and notice the smell from cold and later when warm, also put you palm over it or near it and see what it leaves on your hand... Might or might not help though mucker :mellow:

ben-g-boy Rookie

ben-g-boy

Posted
  • Author
Posted

well i cant smell any oil or petrol there seems to be nothing up with it other than its silly compreshion lol

im just worrying cos its not got much pull so want to do it up a lil but i know it will send it !Removed! up haha :blink:

Guest Mister Dabsy

Guest Mister Dabsy

Posted
Posted

It could simply be the ECU adjusting the engine to suit... For example, it will alter mixture to the cylinders to compensate...

If you cannot see any problems and I cannot suggest or help find one... Then there isn't one B)

  • 2 weeks later...

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