Cracked block or headgasket?
#21
What are the results of your diagnostic tests?
#22
Team Owner
Was the coolant line to the throttle body still connected? If so, I would also make sure there isn't leakage through the throttle body with some compressed air. That would answer why all cylinders are the same. The throttle bodies can be very porous. I had trouble with one of mine when it was ported there was a lot of porosity.
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93Polo (11-10-2023)