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Discussion Starter #1 (Edited)
Hey all,

my 86 300E is at it again. the O2 light came on a couple of months ago and i replaced the sensor. now its intermittendly on again. ive found that if its parked in the sun the light will come one when it starts.

but when its not blinking at me and dying( is the blinking normal or should it be a solid light?) its idling at 2000 in park, and when in drive its close to 1100....when the lights blinking i have to drive with 2 feet bc it wont idle on its own.
it will also switch back and forth, at what to me seems random, while driving.

since the o2 sensor was under warrenty, i got another one and replaced it, but this was to no avail.
what do i need to do/check now?
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