rich

  1. D

    Z22YH Bad idle, reduced power, stalling and hesitatation.

    Hi, I've just been given a Signum 2.2, engine z22yh, off my father. I was aware of the issues, I have access to a Bosch KTS diagnostics tool. A brief bit of history of when the problems began, the car was having minor issues with power and the eml light was on, my father decided to take the...
  2. spiff

    2.2 direct running rich

    Hi there. I have had the car put on opcom and have taken a photo of the screen and was wondering if anyone could tell me if they know why it is running rich?
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