Look for oil leaks coming from the engine and if you find any just trace it
back. If none, check all the air and vacuum hoses and feel around
underneath too. Also check things like the O rings on the dipstick and
anywhere else where air might be getting into the engine.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.