I was getting a rich exhaust before very black sooty tail pipe
not running great , very spongy off idle
Checked duty cycle on injection
found it to be rich
Addjusted duty cycle at tower 3/8 turn lean to help condition
Car runs great.
Thats when I started to check ou o2 sensor
Notice it looked original
So I figured this may help
but after reading I wonder if it would be worth wasting my time
The only question I have is if the o2 is reading (example .2 low)
This is sending back to the computer a .2volt lower than it should
Then the injection is makeing the mix that much more richer
Does this make sense
or should I just go to the bar tonight and forget trying to fix things that are already fixed???

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[B]Mike Y.
00 sl500 sport
88 560 sl (sold)