Lincoln Port Injector Testing, Cleaning, and Resealing Service

Improve your Lincoln’s performance, reliability, and fuel efficiency with our Port Injector Testing, Cleaning, and Resealing Service. Ship your injectors to LaCorte Automotive, and we’ll restore them to factory specifications using precision flowbench calibration and professional ultrasonic cleaning.

What’s Included:

Comprehensive Testing
Each injector is thoroughly tested for spray pattern, flow rate, and electrical response to detect any performance issues or irregularities.

Professional Ultrasonic Cleaning
We perform ultrasonic cleaning and reverse backflushing to remove carbon buildup, varnish, and fuel contaminants, restoring ideal atomization and spray consistency.

High-Quality Resealing
Every injector is resealed with brand-new premium o-rings, filters, and seals to ensure proper fitment and lasting reliability.

Detailed Spec Sheet
Receive a complete before-and-after report showing each injector’s flow rate, balance, and spray pattern improvements after service.

How It Works:

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

2. We Test, Clean, and Reseal
   Our technicians clean and calibrate your injectors using professional-grade flowbench equipment.

3. We Ship Them Back
   Your injectors are returned along with a detailed spec sheet — ready for installation.

Supported Lincoln Engines with Port Fuel Injection (MPI)

4-Cylinder Engines

• 2.0L Duratec I4 MPI (Zephyr, MKZ)

• 2.3L Duratec MPI (MKC, Corsair, Mariner)

• 2.5L Duratec 25 MPI (MKZ, Fusion-based models)

6-Cylinder Engines

• 3.0L / 3.5L Duratec V6 MPI (Zephyr, MKZ, MKS, MKT)

• 3.7L Cyclone V6 MPI (MKZ, MKT, MKS)

• 3.9L DOHC AJ35 / AJ30 V8 MPI (LS, early Town Car)

8-Cylinder Engines

• 4.6L Modular SOHC/DOHC MPI (Town Car, Mark VIII, Aviator)

• 5.0L Coyote MPI (Navigator retrofit and crate builds)

Performance & Specialty

• Lincoln LS V8 AJ engines

• Classic Lincoln models with retrofitted or restored port-injected systems

Why Choose LaCorte Automotive?

We specialize in OEM-grade injector restoration — ideal for classic, luxury, and modern Lincoln engines. Our process restores precise fuel atomization, smooth idle, and optimal power delivery while ensuring balanced flow across all cylinders.