GM TBI Fuel Pressure Tester

GM TBI Fuel Pressure Tester

*Throttle Body Injection

Safely tests vehicle fuel pressure systems on GM TBI vehicles not equipped with a Schrader or fuel access valve test port on the fuel line.


  • Fuel pump check valve i.e. leak down test
  • Fuel pressure regulator
  • Weak fuel pump
  • Fuel line integrity i.e. clogged or damaged fuel filterĀ 
  • Leaking injector(s).

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