When did Ford fix the spark plug problem V10?
When did Ford fix the spark plug problem V10? Re: Ford v10 spark plug problems The TSB actually covers the V8 as well as the V10, for model years 1999-2004. For vehicles under warranty, Ford replaced the heads. Why is my Ford V10 engine not running? Ford put the V10's spark plugs at the bottom of a five inch deep well, and only left enough room to allow for about four threads worth of spark plug engagement in the cylinder head. After repeated heat cycling, the spark plug essentially welds itself to the threads, weakening the material and changing the...