ssc

Mine was done in June. No charge

Preliminary theory before teardown is a large piece of carbon broke loose, entered the cylinder and out the exhaust valve to the turbine side of the turbo. Damaging the turbine wheel, seals,shaft and compressor wheel. I'm still not sure of the damage to cylinders 3 and 4

I don't want to name any brands without proof of cause. The first cleaning increased response and .8 mpg

I don't want to name any brands without proof of cause. The first cleaning increased response and .8 mpg

Hi all, Last Saturday I did an intake valve cleaning on my 64,000 mile 2017 2.0 EcoBoost Edge. I have done this 15,000 miles ago also. After I let it heat soak for the hour as per the instructions I started it to take it for the highway drive as recommended. I drove about 3/4 of a mile and heard a very tinny rattle, then no power, MIL light on then flashing, misfire and low oil pressure codes, very rough running and smoke. After beginning diagnosis I found: oil covering top of engine, #2 spark plug ground strap broken off (not burned), cylinder compression : # 1 cyl 195, # 2 200 psi, #3 & 4 0 psi wet and dry. Leak down test indicating compression getting past the rings. After turbo inlet tube was removed and borescope inserted to the compressor wheel, NO fins could be seen, only score marks in the compressor side housing. Engine is coming out and further details pending. Has anyone else ever heard of issues after intake valve cleaning? Thanks