'02 Focus 2.0 sohc lost compression in #4 cylinder.  Well, didn't lose all of
it.  #4 is at 60 psi, others are 160 or more.
Is this Focus engine prone to any catastrophic failure or do I pursue the usual
suspects like burnt valve, blown head gasket, holed piston, etc?

Hi i have a dec 02 1,8 td estate i only got 1 key with the car,my local
dealer wants  £100 to supply a new key and to programe it .By the book
you need two keys to program a new key ,is this correct, i was thinking
of getting a spare off ebay and doing it my self .the dealer said ...

Apologies to anyone who has already read this over on
uk.rec.cars.maintenance, but I was advised that this would be a better group
to post my query on.
Well I finally took the plunge, acting on several people's advice [Re:

do any of you know about the error code P1506? I went to auto zone and
could not get the part so i'm trying to find out what it is and where i
can get it from. I think it has something to do with the idle or air
flow with the car.