Quote:
Originally Posted by aerohead
Me too.Fuel laying in the intake manifold had evaporated leaving a tar-like residue which was inducted into intake ports,coating the valve stems such that they stuck in the guides.The valve springs couldn't compensate for the resistance and I had all 4 pistons kissing all 4 intake valves.Very scary!
I've pulled the head,disassembled,and cleaned it.Perhaps by Monday I'll have 'life' again.
Don't ya just love IC technology?
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Are you sure it's not oil blow by that's from the PCV valve? On my 1996 T-100 with the 3rzfe engine, I was pulling oil build up out of the throttle body and air plenum with my fingers in chunks. I built and installed a oil catch jar to minimize the oil build up...
Oil catch can/system... - Toyota Nation Forum : Toyota Car and Truck Forums