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Checked fuel pressures with the new EHA in again.
Cold
5.2bar // 5.7bar
Warm
5.1bar // 5.5bar
Dead on spec, so new EHA's do not need any adjustment from the factory. System is definitely in closed-loop, there is no doubt about it. That is why this whole scenario is just so confusing.
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O2 sensor heater wire has 14v. Heater element is working.
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Disconnected cold start valve at the fuel distributor completely. I simply removed the fuel line and used one of the fuel pressure test port plugs from a spare distributor I had to close up the fuel hole.
Drove car...no difference, still sluggish and duty cycle is still hovering 50-55%. O2 sensor probe when warm still reads .78-.82v so still running rich.
Everything fuel-wise seems to be checking out....this is bugging me a lot.
Next?
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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k
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