Review on 🔍 OEMTOOLS 27145 Combustion Leak Detector: Effective Tool for Automotive Blown Head Gasket Test & Engine Block Leak Detection by Dave Sidhu

Used this to confirm I had a blown head gasket. I used the exhaust method. Just let the car run until it warms up, then go to the back of the car where the exhaust is coming out and use the pump. The liquid in mine turned yellow within seconds. Saved me a lot of money, the local mechanic would charge me almost triple what I paid to do the same.