OEM 2000 GMC Jimmy Fuel Injector

2000 GMC Jimmy Fuel Injector Parts and Q&A

• Q: How to service the fuel injector on 2000 GMC Jimmy?

  A: A proper Fuel Injector servicing starts with disconnecting the negative Battery Cable and reducing fuel system pressure. First remove the upper intake manifold assembly together with the fuel meter body assembly. Service the Fuel Injector as an entire assembly only so remove the injector retainer assembly together with its lock nuts while ensuring safety of the electrical terminals and fuel nozzle components along with the injector filter. Electrical injectors require complete hydration avoidance when cleaning them with any liquid solutions. The removal process requires downward pull force on the poppet nozzle tube together with small tip punch pressure on the injector terminals. You should apply clean engine oil to the new injector o-ring seals before installing them onto the complete assembly. Install first the Fuel Injector assembly in the fuel meter body injector socket followed by installation of the injector assembly retainer along with injector retainer lock nuts which require tightening to 3.0 n.m (27 lb in). After reinstalling the fuel meter body assembly along with the upper intake manifold assembly the technician must tighten the fuel filler cap before reattaching the negative Battery Cable. The leak check process starts with turning the ignition on for 2 seconds followed by an off state of 10 seconds and another turn of the ignition to on. Fuel leakage should be checked at each stage.