I'm pretty sure it's a chain. The 2007-on Tribute has a 2.3L MRZ engine which it shares with the mazda3 mazda5 and mazda6. And I know for a fact that the mazda5 has a chain.
What are the timing marks for 2.3 2007 mazda 6
It must have a timing CHAIN(s) The Gates website does not list a timing beltfor the 2.0 or 2.3 liter 4 cylinder engines in a 2007 Mazda 3
All 2002-2008 Mazda 6 petrol engines are chain driven, only diesels have timing belt.
belt
Does a 2007 Nissan Sentra have a timing belt or timing chain?
The 2007 Mazda Miata, specifically the NC generation, is equipped with a timing chain rather than a timing belt. This means that the timing chain is designed to last the lifetime of the engine with minimal maintenance required. Unlike timing belts, timing chains do not need to be replaced at regular intervals, offering added convenience for owners.
The 2007 Mazda 3 is equipped with a timing chain rather than a timing belt. Timing chains are generally more durable and require less frequent maintenance compared to timing belts. However, it's still important to keep an eye on the engine's overall condition, as timing chains can wear over time. Always refer to the owner's manual for specific maintenance recommendations.
Timing Chain
timing CHAIN
It has a timing chain.
It uses a timing chain.
Chain