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Interference Engines – Complete List The following list will provide you the information on whether your car engine is an interference engine or a non-interference engine. An interference engine is one that has insufficient clearance between the valves.

Interference Engines – Complete List
The following list will provide you the information on whether your car engine is an interference engine or a non-interference engine.
An interference engine is one that has insufficient clearance between the valves and pistons if the cam stops turning due to a broken timing belt.
The result is usually catastrophic engine failure. Not so with a non-interference engine. It pays to know.
The video below will also help you determine if your car has a timing belt or chain.

Audi

• 1.8L 1.9L Interference
• 2.8L V6 90 100 Quattro A4 A6 Interference

BMW

• 2.5L 325I 525I Interference
• 4.0L 740I Interference

Acura

• All except SLX Interference
• SLX Non Interference

Chrysler

• 1.4L, 1.5L & 1.6L Interference
• 1.7L Non-Interference
• 1.8L Interference
• 2.0L DOHC Interference
• 2.0L SOHC Interference
• 2.2L DOHC Interference
• 2.2L SOHC Non-Interference
• 2.22L SOHC Interference
• 2.3L Diesel Interference
• 2.4L DOHC Non-Interference (Valves may hit if camshafts turn out of time)
• 2.4L SOHC Interference
• 2.5L 4 Cyl. Non-Interference
• 2.5L V6 Interference
2.7L Interference
• 3.0L SOHC 12 Valve Engine Non-Interference
• 3.0L DOHC Interference
• 3.0L SOHC 24 Valve Engine Interference
• 3.2L Interference
3.3L Interference
• 3.5L Interference
3.8L Interference
• 4.0L Interference
5.7 Hemi Intereference

Fiat

• 1.3L 128 Series Interference
• 1.5L Stranda Interference
• 1.6L 124 Series Interference
• 1.8L 124 Series Interference
• 1.8L 131 Series, Brava Interference
• 2.0L Brava, Spider Interference

Ford

• 1.3L Non-Interference
• 1.6L DOHC Non-Interference
• 1.6L SOHC Interference
• 1.8L Non-Interference
• 1.9L Non-Interference
• 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-Interference
• 2.0L DOHC (Probe) Interference
• 2.0L Diesel Interference
• 2.0L SOHC Gasoline (Escort, Focus & Tracer) Non-Interference
• 2.0L SOHC Gasoline (Capri, Pinto & Ranger) Non-Interference
• 2.2L Interference
• 2.3L Diesel Interference
• 2.3L SOHC Gasoline Non-Interference
• 2.4L Diesel Interference
• 2.5L SOHC 4 Cyl. Non-Interference
• 2.5L V6 Non-Interference
• 3.0L SOHC Interference
• 3.0L & 3.2L SHO Non-Interference
• 3.3L Interference

GM and Saturn

• 1.0L Interference
• 1.3L Interference
• 1.4L Non-Interference
• 1.5L Interference
• 1.6L (Chevette & 1000) Non-Interference
• 1.6L (LeMans) Non-Interference
• 1.6L (Tracker 16 Valve) Interference
• 1.6L DOHC (Aveo) Interference
• 1.6L DOHC (Nova) Non-Interference
• 1.6L SOHC (Nova) Non-Interference
• 1.8L Diesel Interference
• 1.8L Gasoline Non-Interference
1.9L Ecotec SOHC Intereference
1.9L Ecotec DOHC Intereference
• 2.0L Non-Interference
• 2.2L Diesel Interference
• 2.3L Non-Interference
• 3.0L Interference
• 3.2L Interference
• 3.4L Non-Interference
• 3.5L Non-Interference
3.6L Intereference

GEO

• 1.0L Interference
• 1.3L Interference
• 1.5L Interference
• 1.6L DOHC (1989-92 Prizm GSI) Non-Interference
• 1.6L DOHC (1989-97 Prizm Except 1989-92 GSI) Interference
• 1.6L DOHC (Storm) Interference
• 1.6L SOHC (Prizm) Non-Interference
• 1.6L SOHC (Storm) Non-Interference
• 1.6L SOHC 8 Valve Engine (Tracker) Non-Interference
• 1.6L SOHC 16 Valve Engine (Tracker) Interference
• 1.8L DOHC (Prizm) Interference
• 1.8L DOHC (Storm) Interference

Honda

• All Honda engines are interference except 3.0L & 3.2 which are Non-interference

Hyundai

• All Interference

Infinity

• 3.0L & 3.3L Interference

Isuzu

• 1.5L Interference
• 1.6L DOHC Interference
• 1.6L SOHC Non-Interference
• 1.8L Diesel Interference
• 1.8L DOHC Gasoline Interference
• 2.0L Interference
• 2.2L Diesel Interference
• n2.2L Gasoline Interference
• 2.3L Interference
• 2.6L Interference
• 3.2L Interference
• 3.5L Non-Interference

Jeep

• 2.0L Non-Interference
• 2.1L Diesel Interference
• 2.4L DOHC Interference
• 2.8L Diesel Interference

Kia

• 1.5L DOHC Interference
• 1.6L DOHC Interference
• 1.6L SOHC Non-Interference
• 1.8L DOHC Interference
• 2.0L DOHC Interference
• 2.0L SOHC Non-Interference
• 2.4L DOHC Interference
• 2.5L DOHC Interference
• 2.7L DOHC Interference
• 3.5L DOHC Interference

Lexus

• 2.5L Non-Interference
• 3.0L V6 Non-Interference
• 3.3L V6 Non-Interference
• 3.0L Inline 6 (1992-97) Non-Interference
• 3.0L Inline 6 VVT-i (1998-2006) Interference
• 4.0L Interference
• 4.3L Interference
• 4.7L Interference

Mazda

• 1.5L Non-Interference
• 1.6L Non-Interference
• 1.8L 4 Cyl. Non-Interference
• 1.8L V6 Non-Interference
• 2.0L Diesel Interference
• 2.0L DOHC (626, MX-6 & Protege) Non- Interference
• 2.0L DOHC (Tribute) Non-Interference
• 2.0L SOHC Non-Interference
• 2.2L Interference
• 2.3L 4 Cyl. (B2300) Non-Interference
• 2.3L V6 Non-Interference
• 2.5L 4 Cyl. (B2500) Non-Interference
• 2.5L V6 Non-Interference
• 3.0L DOHC Interference
• 3.0L SOHC Interference

Mercury

Villager 3.0 Non-Intereference
Villager 3.3 Non-Interference

Mitsubishi