EHA-current / O2 / Duty-cycle readings (M103) - please check
I have some problems with hesitation during acceleration (not with full throttle) on my 90 260E (M103).
With small movemments with the pedal (more throttle), I get large variations in power up and down. Feels like something holds back and then let go several times during one acceleration. I have tested this: Current at EHA: fluctates around 0mA (warm) and 19,5mA when ignition on / enigne off. When I disconnect the O2-sensor (lambda) i measure about 0,8 volt. Should not this value be lower? Duty-cycle readings fluctates around 47-52 %. O2-sensor new january 2004. Any comments on the readings, suggestions for further test-steps or possible couses are appreciated. Grunde 260E |
Those are good readings.
Can you drive the car and watch the enrichment /EHA current as you accelerate and experience the problem? |
Hmm, then I have to use a cable, I'll see what I can do.
It will be easiest to use the duty-cycle then I think. Grunde |
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