8 Pcs 12594512 Fuel Injector Nozzle for Chevrolet Tahoe Avalanche for GMC Yuko Sierr Savan 1500 217-2436 2172436 FJ977

8 Pcs 12594512 Fuel Injector Nozzle for Chevrolet Tahoe Avalanche for GMC Yuko Sierr Savan 1500 217-2436 2172436 FJ977
Direct replacement of your old injector and no modification needed.Made of metal and plastic material which is durable and can use for a long time.The high impedance fuel injector exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector.Package Included 8 pcs x 12594512 Fuel Injectors.Note:Please check the fitment section of this listing before you bid.Please kindly check again your engine volume!This is a non-OEM product, accessory only!This installation should be done by an experienced mechanic who has access to a factory service manual and all required tools! Installation: Step 1: Remove the spark plug.Step 2: Install the emissions tester hose in the cylinder.Step 3: Observe the hydrocarbon (HC) value, duration approx. 5 mins per cylinder. (prerequisite: inlet valve open)Step 4: If the HC value in the cylinder rises, the injector is leaky.Step 5: Replace the faulty injectors with new ones.Installation:Step 1. Make sure the engine is cool down. Disconnect the battery. Step 2. Remove the bolts and brackets from the fuel rail. Step 3. Disconnect the plug on each injector. Step 4. Lift the fuel rail and remove the injector from the fuel rail. Step 5. Press the new injector into the rail. Reattach the fuel rail and put the injectors in their respective holes. Step 6. Bolt down fuel rail. Reattach fuel line. Plug in injector connectors. Reconnect battery. Step 7. Double check for fuel leaks before and after starting the engine.