* 1.6L CVH: This was the most common engine. It's a pushrod, inline-four cylinder engine.
* 2.3L Lima: A less common option, this was a larger, more powerful inline-four cylinder engine.
You'd need to check the vehicle's documentation (like the owner's manual or a vehicle identification number (VIN) lookup) to determine which engine *specifically* is in a particular 1989 Mercury Tracer.