Infiniti Port Injector Testing, Cleaning, and Resealing Service

Restore your Infiniti’s power, fuel efficiency, and idle smoothness with our Port Injector Testing, Cleaning, and Resealing Service. Ship your injectors to LaCorte Automotive, and we’ll clean, flow-test, and reseal them to OEM specifications using professional ultrasonic and flowbench equipment.

What’s Included:

Comprehensive Testing
Each injector is electronically and hydraulically tested for flow rate, spray pattern, and leak integrity to detect any inconsistencies before service.

Professional Ultrasonic Cleaning
We use advanced ultrasonic cleaning and reverse backflushing to remove carbon buildup, varnish, and contaminants that restrict fuel flow and degrade performance.

High-Quality Resealing
Each injector is resealed with premium-grade o-rings, seals, and microfilters designed for lasting reliability and precise fitment.

Detailed Spec Sheet
Receive a detailed before-and-after report showing flow rates, spray patterns, and injector balance improvements.

How It Works:

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

2. We Test, Clean, and Reseal
   Our technicians use calibrated flowbench testing and ultrasonic cleaning to restore factory-level performance.

3. We Ship Them Back
   Your cleaned, balanced injectors and a performance report are shipped back ready for installation.

Supported Infiniti Engines with Port Fuel Injection (MPI)

4-Cylinder Engines

• 2.0L SR20DE / QR25DE (G20, I30, early QX4)

• 2.5L QR25DE MPI (G25, QX4, EX25)

6-Cylinder Engines

• 3.0L / 3.5L / 3.7L VQ-Series MPI (G35, G37, M35, FX35, Q50 non-GDI trims)

• 3.3L VG33E / VG33DE MPI (QX4, Pathfinder)

8-Cylinder Engines

• 4.1L / 4.5L VH-Series MPI (Q45, M45 early models)

• 5.6L VK56DE MPI (QX56, M56, Armada, Titan non-DI)

Performance & Specialty

• VQ35DE / VQ37VHR (G35/G37 N/A performance applications)

• Port-injected Infiniti and Nissan swap or tuning builds

Why Choose LaCorte Automotive?

Our Infiniti port injector service restores factory-level fueling precision, improving throttle response, idle quality, and power output. Every injector is flow-matched and tested to ensure reliability and consistency for both OEM and performance applications.