electro gave me this additional info.
Ford
(1) - Manufacturer does not recommend a specific maintenance interval.
(21) - On 1999-2001 Escort & Tracer & 2000-03 Focus, replace every 120,000 miles. On all other models, manufacturer does not recommend a specific maintenance interval.
(23) - On 1993-97 Probe, replace at 60,000 mile intervals. On 1999-2000 models, inspect every 120,000 miles & replace as required. On 2001-03 models, replace every 120,000 miles. On other models, manufacturer does not recommend a specific maintenance interval.
(34) - On 1993 Villager models, replace every 60,000 miles. On 1994 and later Villager models, replace every 105,000 miles.
(45) - Inspect at 60,000 & 90,000 mile intervals & replace at 105,000 miles.
(46) - On 1993 models replace every 60,000 miles. On 1994-97 except CA models, replace every 60,000 miles. On 1994-97 CA models inspect every 90,000 miles & replace every 105,000 miles.
(47) - On 1990-93 models replace every 60,000 miles. On 1994-95 models replace every 100,000 miles
Ford
Engine
Recommended Interval
1.3L 60,000 Mi.
1.6L* SOHC 60,000 Mi.
1.6L DOHC 60,000 Mi.
1.8L 60,000 Mi.
1.9L (1)
2.0L SOHC Gasoline (Escort, Focus, Tracer) (21)
2.0L SOHC Gasoline (Capri, Pinto & Ranger) (21)
2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) (23)
2.0L* DOHC (Probe) (23)
2.0L* Diesel (1)
2.2L* 60,000 Mi.
2.3L SOHC Gasoline Inspect 60,000 Mi. Replace 120,000 Mi.
2.3L* Diesel (Camshaft & Balance Shaft Belts) (1)
2.4L* Diesel (1)
2.5L SOHC 4 Cyl. (45)
2.5L V6 (46)
3.0L* SOHC (34)
3.0L DOHC SHO (47)
3.2L SHO (47)
3.3L* 105,000 Mi.
* - Interference engine.Recommended Interval
1.3L 60,000 Mi.
1.6L* SOHC 60,000 Mi.
1.6L DOHC 60,000 Mi.
1.8L 60,000 Mi.
1.9L (1)
2.0L SOHC Gasoline (Escort, Focus, Tracer) (21)
2.0L SOHC Gasoline (Capri, Pinto & Ranger) (21)
2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) (23)
2.0L* DOHC (Probe) (23)
2.0L* Diesel (1)
2.2L* 60,000 Mi.
2.3L SOHC Gasoline Inspect 60,000 Mi. Replace 120,000 Mi.
2.3L* Diesel (Camshaft & Balance Shaft Belts) (1)
2.4L* Diesel (1)
2.5L SOHC 4 Cyl. (45)
2.5L V6 (46)
3.0L* SOHC (34)
3.0L DOHC SHO (47)
3.2L SHO (47)
3.3L* 105,000 Mi.
(1) - Manufacturer does not recommend a specific maintenance interval.
(21) - On 1999-2001 Escort & Tracer & 2000-03 Focus, replace every 120,000 miles. On all other models, manufacturer does not recommend a specific maintenance interval.
(23) - On 1993-97 Probe, replace at 60,000 mile intervals. On 1999-2000 models, inspect every 120,000 miles & replace as required. On 2001-03 models, replace every 120,000 miles. On other models, manufacturer does not recommend a specific maintenance interval.
(34) - On 1993 Villager models, replace every 60,000 miles. On 1994 and later Villager models, replace every 105,000 miles.
(45) - Inspect at 60,000 & 90,000 mile intervals & replace at 105,000 miles.
(46) - On 1993 models replace every 60,000 miles. On 1994-97 except CA models, replace every 60,000 miles. On 1994-97 CA models inspect every 90,000 miles & replace every 105,000 miles.
(47) - On 1990-93 models replace every 60,000 miles. On 1994-95 models replace every 100,000 miles