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VEVOR Diesel Injector Nozzle Pressure Tester, Fuel Injector Nozzles Tester with Dual Scale Gauge to Adjust Injector Nozzle Pressure and Test Diesel Injector Nozzle Pop Pressure

VEVOR Diesel Injector Nozzle Pressure Tester, Fuel Injector Nozzles Tester with Dual Scale Gauge to Adjust Injector Nozzle Pressure and Test Diesel Injector Nozzle Pop Pressure

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What do you use the adjuster wheel for?
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Its function is to protect the pressure gauge and also adjust the pressure.
By vevor
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