K 1500 Truck 4WD V8-5.7L VIN R (1997)
There has been some confusion relative to OBD II oxygen sensor designation. The intent of this article is to eliminate misdiagnosis of those oxygen
sensors due to mis-identification. This chart can help locate the appropriate bank and sensor for the diagnostic.
NOTE: For "V" engines; BANK 1 is always on the side of the engine with the number 1 cylinder (odd cylinders), and BANK 2 is always on the side
of the engine where the number 2 cylinder (even cylinders) is located.
