Hello again,
Yesterday I pulled my plugs and when looking into the cylinders, I expected to see black. Instead, I saw brown like rust like or corrosion buildup. This can't be normal, can it?
This started because I was on a 4 day cruise and was forced to run several hours on water saturated gas. I think some water wound up in the tank in rough weather due to a bad fuel cap, though I have yet to prove that this is the culprit. Regardless, because my gasoline/ethanol blend was so saturated with water (fresh, not salt) I had to keep the mixture very rich to get adequate power. As I said, this was several hours worth of running.
A. I should see black carbon not brown corrosion in the cylinders, correct?
B. Is the water in the gas a reasonable cause of this corrosion, or should I be looking for something else(I just drained the entire fuel tank).
C. Should I take any other maintenance steps given this corrosion, or just add new fuel and run (I'm replacing plugs, and new gas cap)
Many thanks as always.
Yesterday I pulled my plugs and when looking into the cylinders, I expected to see black. Instead, I saw brown like rust like or corrosion buildup. This can't be normal, can it?
This started because I was on a 4 day cruise and was forced to run several hours on water saturated gas. I think some water wound up in the tank in rough weather due to a bad fuel cap, though I have yet to prove that this is the culprit. Regardless, because my gasoline/ethanol blend was so saturated with water (fresh, not salt) I had to keep the mixture very rich to get adequate power. As I said, this was several hours worth of running.
A. I should see black carbon not brown corrosion in the cylinders, correct?
B. Is the water in the gas a reasonable cause of this corrosion, or should I be looking for something else(I just drained the entire fuel tank).
C. Should I take any other maintenance steps given this corrosion, or just add new fuel and run (I'm replacing plugs, and new gas cap)
Many thanks as always.
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