Kd tools fuel pump vacuum and pressure tester

The KD Fuel Pressure Gauge can be indispensable when troubleshooting these and other fuel related problems. Also included as part of the gauge assembly is a Shrader fitting plug, to help prevent contamination while the gauge is not in use.

Remove the plug by retracting the Shrader collar, then pull the plug out of the fitting as shown. GM equipped all Duramax engines with a Shrader valve fuel pressure test port. At the factory, this is used to bleed the fuel system prior to running the engine the first time, and it provides dealership technicians a convenient way to check fuel pressure as part of any related diagnostic procedure.

Unscrew and remove the black plastic cap, then snap the KD Fuel Pressure Gauge onto the exposed port by retracting the Shrader collar on the gauge. Replace the black plastic cap once your tests are complete. When should you change your fuel filter?

Current recommendations are to first establish a baseline for fuel filter restriction after installing a new fuel filter. Then, change the fuel filter once the gauge indicates an increase of 3"-4" of vacuum above the baseline. Cookies information SKF uses cookies on our web site to align the information shown as closely as possible to the visitors' preferences and to tailor our web site user experience in general.

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