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That's the easy way if your injectors aren't totally hosed up- give it a try first. Good garages can remove your injectors and clean them out way better than a few bottles of injector cleaner, but it costs more- not much more, but it does cost more.
WitchHunter Performance said:1) Injectors are externally cleaned, visual inspected, and numbered.
2) Test injectors for resistance, shorts, and current draw.
3) Perform leak test, spray pattern, and flow rate testing on our flow bench. Record the results.
4) Remove filter baskets, o-rings, and pintle caps. Bead-blast any loose paint and rust from the metal injector body.
5) The injectors are placed in our first ultrasonic cleaning tank to remove and any particles, dirt, etc that may contaminate the next two cleaning processes.
6) Into a second ultrasonic tank they go, they are now cycled on and off allowing the ultrasonic energy to dislodge any particles and build-up inside the injectors.
7) The injectors are now placed in our third ultrasonic tank for additional cleaning using a different cleaning solution. Once again they are being cycled on and off. Our three tank process insures proper results.
8) A high pressure back-flush is done to remove any particles inside.
9) Back to the flow bench for retesting of spray pattern, flow rate, and leak checking. This test data is also recorded
10) Install new filter baskets, o-rings, and pintle caps (where applicable)
11) Prepare a comprehensive test report with before and after test data. The injectors are then packed along with the old parts for return.