I'm tempted to ask what the causes the blockage. Do Insights have a reputation for consuming oil? That's a lot of carbon and I'm just wondering what would cause it. The passage on my Saturn is pretty blocked but I have attributed it to the amount of oil it burns past the piston rings and sucks through the PCV system. Thought Hondas were better with these problems... Just wondering if there are ways to keep the passage clean so that it doesn't need constant cleanings to maintain peak performance.
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-Mike
2007 Ford Focus ZX5 - 91k - SGII, pending upper and lower grill bocks - auto trans
1987 Monte Carlo SS - 5.3/4L80E swap - 13.67 @ 106
2007 Ford Focus Estate - 230k - 33mpg - Retired 4/2018
1995 Saturn SL2 - 256K miles - 44mpg - Retired 9/2014
Cost to Operate Spreadsheet for "The New Focus"
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