Fuel Rail & Injectors: Notes
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. 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.