I have an 0-200 that I have been using ethanol free Mogas 90 octane for 7 years, 400 hours.
After finishing an annual from **** that took me 10 weeks, my carb was flooding after shutdown and during running causing erratic operation and black smoke.
Engine was new in 2006, so the carb(ma-3spa)is 15 years old, I took it apart and found no issues, so after putting it back together, the problem was still there. So I sent the carb out for repair.
Reinstalled repaired carb and the issue was still there. Checked the primer, no issue. So I decided what the heck, and I drained the Mogas and put in 100LL.
Flooding stopped. I couldn’t believe it, but there were other signs, my fuel pressure sensor got erratic and my flowscan sensor also quit.
I’m just putting this out there for discussion and to see if anyone else experienced something similar.
Fuel was at least 2 months old, maybe more counting storage and delivery to gas station. I usually fly a couple of times a week, plane is hangared 100% and use marvel mystery oil in the fuel.
Dave
N601XP
After finishing an annual from **** that took me 10 weeks, my carb was flooding after shutdown and during running causing erratic operation and black smoke.
Engine was new in 2006, so the carb(ma-3spa)is 15 years old, I took it apart and found no issues, so after putting it back together, the problem was still there. So I sent the carb out for repair.
Reinstalled repaired carb and the issue was still there. Checked the primer, no issue. So I decided what the heck, and I drained the Mogas and put in 100LL.
Flooding stopped. I couldn’t believe it, but there were other signs, my fuel pressure sensor got erratic and my flowscan sensor also quit.
I’m just putting this out there for discussion and to see if anyone else experienced something similar.
Fuel was at least 2 months old, maybe more counting storage and delivery to gas station. I usually fly a couple of times a week, plane is hangared 100% and use marvel mystery oil in the fuel.
Dave
N601XP
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