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low rpm miss?

472 views 1 reply 1 participant last post by  cueball89  
#1 · (Edited)
I just noticed it today as a was washing the engine bay. I started the car all was fine some strange high pitched noise, a screech happened for a few seconds. :confused: The car is normal now. Wet belts or something?

The first 10 seconds of video is of the miss, then then i get it up to 2900rpms. At 2900rpms theres no miss and no dancing tach.

http://www.youtube.com/watch?v=npFgvYgWI-c
I just pulled the codes and the onlt ones besided the 420 are p 1130 &1139. Manufacture fuel and air metering. 2 different numbered codes for the same problem?