06-17-2015, 12:15 PM
if it is carbon....provided its not so far gone you have to pull the heads, I would start putting BG44K in your tank at intervals. great de-carboner for port injected stuff.
![[Image: 41flO9Ox4yL.jpg]](http://ecx.images-amazon.com/images/I/41flO9Ox4yL.jpg)
2010 Civic Si
2019 4Runner TRD Off-Road
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Past: 03 Xterra SE 4x4 | 05 Impreza 2.5RS | 99.5 A4 Quattro 1.8T | 01 Accord EX | 90 Maxima GXE | 96 Explorer XLT
2019 4Runner TRD Off-Road
--------------------------
Past: 03 Xterra SE 4x4 | 05 Impreza 2.5RS | 99.5 A4 Quattro 1.8T | 01 Accord EX | 90 Maxima GXE | 96 Explorer XLT