Announcement

Collapse
No announcement yet.

m42 idle problem cold

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    m42 idle problem cold

    so my cars engine lights on. when I start the car up for the first time, it runs like shit.....however I just let sit there for a minute and its fine. on hot starts itll run just fine....only cold starts when it runs like shit. HELPPPP!

    #2
    O2 sensor. When was it last replaced?
    Parts Collector and Former Houndstooth interior junkie.

    Comment


      #3
      not sure, I just bought this car 2 weeks ago...

      Comment


        #4
        also im pulling code 1223

        Comment


          #5
          Code 1223 is coolant temp sensor fault OR a CTS wiring fault.

          If coolant temp sensor is bad, this can be a big reason for you bad running issues at cold start up.
          Alex 88 m5 | 91 318is | 19 Subaru Ascent
          BMW Tool Rentals & Fender Roller

          Comment

          Working...
          X