SPONSORED LINKS

1989 BMW 325 spark plugs are black after being changed

Tiny
TDPROPHET
  • MEMBER
  • 1989 BMW 325
  • 6 CYL
  • 2WD
  • MANUAL
  • 146,000 MILES
I just had an engine replaced in my bmw. And now it revs high and low by itself and jerks. The mechanic says that he took the plugs out and they were black. I don't know what the propbelm.
Friday, December 4th, 2009 AT 10:00 PM

1 Reply

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
Too much fuel, probably a poor connection at the injector harness, look for the round connector below the throttle body down next to the engine block, inspect and report back.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Sunday, December 6th, 2009 AT 6:45 PM

Please login or register to post a reply.

Related Spark Plug Replace/Remove Content

Spark Plug Gap
VIDEO
Spark Plug Gap
Instructional repair video
Spark Plug Replacement
GUIDE
Spark Plug Replacement
A spark plug is a vital part of the engine's ignition system and is responsible for starting the combustion process. As a part of an engine tune up, spark plugs should ...
VIEW MORE

Sponsored links