Subject	The head gasket leaks combustion pressure into the cooling
Posted by	Doug71zt(CAN) on February 13, 2021 at 1:22 PM
	This message has been viewed 175 times.
In Reply To	Will a leaking head gasket cause surging under boost posted by GBlack300TT on February 12, 2021 at 11:02 PM
Message	System under high boost, not vice versa. It could be knock retard causing the surging, happening when under prolonged periods of high boost in the higher gears.. How much boost are you running? What's your wideband O2 reading? Pump gas octane? Yes, bad plugs can cause misfire under high boost.
Follow Ups	Will a leaking head gasket cause surging under boost - GBlack300TT 23:02:47 02/12/21 The head gasket leaks combustion pressure into the cooling - Doug71zt(CAN) 13:22:49 02/13/21
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