Our Complete 8‑Stage Injector Service Process

1. Benchmark Testing — Establishing a True Baseline

Every injector is tested exactly as received to document its initial condition . We perform:

• 80 psi leak‑down testing to identify stuck pintles or sealing issues

• Static flow testing to measure raw output

• Dynamic flow testing from 600 to 10,000 RPM to simulate real engine operation

All results are recorded and included in your final report .

2. Electrical OHM Testing

We verify each injector’s electrical integrity using a multimeter to confirm proper resistance and continuity. This identifies failed or shorted injectors before cleaning begins .

3. Disassembly — Filters, O‑Rings, and Caps Removed

All internal filters, O‑rings, and pintle caps are removed and never reused. These components degrade over time and must be replaced with new OEM‑spec parts .

4. External Ultrasonic Cleaning

Injectors undergo a three‑stage ultrasonic cleaning cycle to remove carbon, varnish, and debris from the exterior body. High‑frequency cavitation penetrates cracks, recesses, and blind holes for a deep clean .

5. Internal Ultrasonic Cleaning (Pulsed Bath)

Injectors are pulsed inside a heated ultrasonic bath at varying intensities to remove internal deposits and restore proper pintle movement .

6. Post‑Cleaning Flow Verification

Injectors are reinstalled on the test bench to verify:

• Flow rate

• Spray pattern

• Atomization quality

• Leak‑down performance

Static and dynamic tests confirm whether the injector meets spec. If not, the cleaning cycle is repeated .

7. Calibration Fluid Testing

We use industry‑standard calibration fluid, not gasoline, to ensure accurate and repeatable results. Flow rates are calculated using SouthBay’s calibration fluid at 20°C, 3.0 Bar, 13.8V, matched against EPA test gasoline standards .

8. Reassembly With New OEM Components

All removed components are replaced with brand‑new OEM‑spec parts designed specifically for your injector model .

⭐ What You Receive

• Before/after flow data

• Leak‑down results

• Spray pattern analysis

• Electrical OHM test results

• Full documentation of all work performed