Good info, didn't think about the natural build up so much but I guess after 160k even a little at a time would cause some blockage. I've tried cleaning mine and unfortunately it's not as easy as your's. But at some point I need to focus more attention on finding a way to get the passage clean... it has quite a few bad turns that limit probing it clean with a wire brush or something similar
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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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