RAM 3500 Truck 2WD V10-8.0L VIN W HDC (2000)
8.0L (CAL)
Fig. 43 Pre-Catalyst/Post-Catalyst Oxygen Sensors - 8.0L (CAL)
On 8.0L HDC California engines, the pre-catalyst/post catalyst O2S sensors are located at the inlet and outlet ends of the catalytic converter.
Fig. 44 Oxygen Sensors - 5.2/5.9L (CAL)
On 5.2/5.9L LDC California engines, the 1/1 and 2/1 sensors are located before the mini-cats. The 1/2 and 2/2 sensors are located after the mini-cats.