1994 BMW 318 OILY SPARK PLUG THREADS, VERY ROUGH IDLE

  • Tiny
  • s4hinds
  • 1994 BMW 318

Engine Mechanical problem
1994 BMW 318 4 cyl Two Wheel Drive Manual 156, 00 miles

the two spark plugs closest to the front of car have oily threads and car idles very rough, but runs very well. What all do I have to do to fix the rough idle and oily threads?

Thursday, February 25th, 2010 AT 3:46 PM

1 Answer

  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,717 posts

The crankcase vent valve is suspect in the rough idle.

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Friday, February 26th, 2010 AT 8:39 AM

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