Its the 2L sohc
It seems that I have experienced a common problem, a valve seat dropping in the #3 cylinder. Like others, I see this failure related to a manufacturer fault. Not very happy with premature engine failure like many others. Based 3 previous Escorts, I had hoped to get more than 190,000 miles out of this engine.
I had no idea this was such a common problem until my mechanic identified this, then calling around for used motors, and hearing the salvage yard owners identify how many vehicles they had on inventory with expired engines, some with less than 150,000km....
Then discovered that this is a common problem, yet no recall, and there are known design faults which Ford knows about, yet...no recall. Technical Service Bulletins have been written for Ford mechanics on this problem. Parts of the valve, or connecting rod, can become loose and fall into the cylinder. Usually it is the number 3 or 4 cylinder. Was quoted $4750 for a replacement, rebuilt engine
http://www.carcomplaints.com/Ford/Focus/2001/engine/engine_failure.shtml
http://www.carcomplaints.com/Ford/Focus/2000/engine/blown_engine.shtml
http://www.carcomplaints.com/Ford/Focus/2002/engine/engine_failure.shtml
http://www.carcomplaints.com/Ford/Focus/2001/engine/
http://www.carcomplaints.com/Ford/Focus/