SL missfiring and pinging

Discussion in 'General Motoring' started by ahr888, Apr 7, 2005.

  1. ahr888

    ahr888 Guest

    Several months ago the engine in my 98 SL (80k miles) started pinging
    during gear changes (not due to bad driving) and hard acceleration. It
    also started missfiring when starting the engine during warm weather.
    Eventually in January, it had a major missfiring incident and the
    dealer replaced sparks, cables, and ignition coils. The computer chip
    was also replaced/reprogrammed. Now the missfiring and pinging is
    starting again. Obviously there's something else wrong. Does anyone
    have any ideas? Thanks.
     
    ahr888, Apr 7, 2005
    #1
  2. ahr888

    davemac Guest

    have your fuel pressure checked. You may have a weak pump or a bad
    regulator. Sounds like you are running too lean.

    Dave Mc
     
    davemac, Apr 16, 2005
    #2
  3. ahr888

    davemac Guest

    have your fuel pressure checked. You may have a weak pump, clogged
    fuel filter or a bad regulator. Sounds like you are running too lean.

    Dave Mc
     
    davemac, Apr 16, 2005
    #3
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