Fuel Rail & Injectors: Notes
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, 2003 Buick Regal, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
An 8-digit identification number is located on the left side fuel rail assembly. Refer to this identification number if servicing or part replacement is required. Fuel injector "O" rings should always be replaced whenever the fuel injectors are serviced.