Cadillac Port Injector Testing, Cleaning, and Resealing Service

Restore your Cadillac’s performance, smooth idle, and fuel efficiency with our Port Injector Testing, Cleaning, and Resealing Service. Ship your injectors to LaCorte Automotive, and we’ll clean, test, and reseal them using professional ultrasonic cleaning and precision flowbench calibration to factory standards.

What’s Included:

Comprehensive Testing
Each injector is tested for spray pattern, flow rate, leak integrity, and electrical response to identify and correct flow imbalances.

Professional Ultrasonic Cleaning
We use multi-stage ultrasonic cleaning and reverse backflushing to remove varnish, carbon buildup, and debris that restrict fuel delivery and atomization.

High-Quality Resealing
Every injector is resealed with premium o-rings, seals, and microfilters to ensure leak-free performance and lasting reliability.

Detailed Spec Sheet
Receive a before-and-after flow report detailing injector balance, flow improvements, and spray pattern results.

How It Works:

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

2. We Test, Clean, and Reseal
   Our technicians restore your injectors using professional ultrasonic and flowbench systems.

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

Supported Cadillac Engines with Port Fuel Injection (MPI)

4-Cylinder Engines

• 2.0L Ecotec LNF / LE5 / L61 (CTS, SRX, XLR, Catera, early ATS)

• 2.5L LEA / LCV MPI (ATS, CTS, Malibu platform)

6-Cylinder Engines

• 3.0L / 3.2L / 3.6L V6 (CTS, SRX, STS, ATS, XT5 early MPI trims)

• 3.4L / 3.8L V6 (DeVille, Seville, early models)

8-Cylinder Engines

• 4.6L Northstar MPI (Seville STS, Eldorado, DeVille DHS/DTS)

• 4.9L HT-4900 V8 (Fleetwood, DeVille, Allanté)

• 5.7L LS1 / LQ4 / LS6 / LS7 (CTS-V, XLR, performance swaps)

Performance & Specialty

• LS-based Cadillac performance builds and crate engines

• Classic Cadillac V8 port injection retrofits and tuning setups

Why Choose LaCorte Automotive?

Our Cadillac port injector service restores OEM fuel precision and smooth operation. Each injector is balanced, cleaned, and flow-matched to ensure consistent power delivery and long-term reliability.