Quote:
Originally Posted by testieburger
Hello,
I discovered that my 190e was running to lean (70%) Using the guides from this forum i was able to adjust the mixture to 49% which is perfect. She is running a lot smoother.
I still have a problem though. When i rev my car to 2500rpm the value doesn't go down 10% like it should. It constantly stays at around 49%
I tried another EHA valve and lambda sensor but it gave the same value. What could the problem be?
Thanks guys
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I would first check the spark plugs first. If it is browny red with no fouling then I will not care about whether if the duty cycle goes down 10% at 2500rpm. Another thing to judge the AFR is to feel when you drive it. If the AFR is right then you should see her accelerate without hesitation.