Mercury Port Injector Testing, Cleaning, and Resealing Service

Bring back your Mercury engine’s reliable performance and smooth throttle response with our Port Injector Testing, Cleaning, and Resealing Service. Ship your injectors to LaCorte Automotive, and we’ll restore them to like-new condition through professional testing and ultrasonic cleaning.

What’s Included:

Comprehensive Testing
Each injector is tested for flow rate, spray pattern, leak integrity, and electrical response to ensure proper fueling and performance.

Professional Ultrasonic Cleaning
We use advanced ultrasonic cleaning and backflushing to remove carbon buildup, varnish, and fuel contaminants from injector internals and tips.

High-Quality Resealing
Each injector is resealed with new o-rings, seals, and filters made from premium-grade materials for long-lasting reliability.

Detailed Spec Sheet
Receive a before-and-after report that shows individual injector flow rates, spray patterns, and any balance corrections made during service.

How It Works:

1. Ship Your Injectors to Us
   Follow our provided shipping instructions to safely send your injectors.

2. We Test, Clean, and Reseal
   Our technicians restore your injectors to factory-level precision using flowbench calibration.

3. We Ship Them Back
   Your injectors and a detailed test report are shipped back, ready for installation.

Supported Mercury Engines with Port Fuel Injection (MPI)

4-Cylinder Engines

• 2.0L DOHC I4 MPI (Cougar, Mystique, Contour)

• 2.3L Duratec MPI (Mariner, Milan, Fusion, Ranger)

• 2.5L Duratec V6 MPI (Contour, Cougar)

6-Cylinder Engines

• 3.0L Vulcan V6 MPI (Sable, Taurus, Escape, Tribute)

• 3.0L Duratec 30 MPI (Sable, Montego, Milan)

• 3.5L Duratec 35 MPI (Sable, Taurus, Flex)

8-Cylinder Engines

• 4.6L Modular V8 MPI (Grand Marquis, Marauder)

• 5.0L MPI (Fox-body and marine applications)

Marine & Specialty Applications

• Mercury Marine 3.0L / 4.3L / 5.0L / 5.7L MPI

• MerCruiser port-injected outboards and stern drives

Why Choose LaCorte Automotive?

We specialize in restoring OEM injector performance for both automotive and marine Mercury engines. Our precise flowbench testing ensures smooth idle, consistent power, and fuel economy that meets or exceeds factory specs.