Subject	Will a leaking head gasket cause surging under boost
Posted by	GBlack300TT on February 12, 2021 at 11:02 PM
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Message	I have a 91 TT. I have surging under hard boost in third and 4th gear only. I had a mechanic tell me that he suspected coolant going into the exhaust and said my surging issue could be a leaky head gasket. Anybody ever hear this? Could the surging be caused by bad spark plugs? My Z has 555 injectors, sport 500 turbos, still intercoolers, fuel air computer, boost controller, applicable soft ware. Surging is only in hard boost in 3rd and 4th.
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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