Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Dodge and Ram ViperFACTORY OEM SERVICE PROCEDURE
O2 Sensor Locations & Configuration
O2 SENSOR CONFIGURATION
| AB 3.9L | 1/1 | UPSTREAM |
| AB 3.9L | 1/2 | DOWNSTREAM |
| AB 5.2L | 1/1 | LEFT BANK UPSTREAM |
| AB 5.2L | 1/2 | LEFT BANK DOWNSTREAM |
| AB 5.2L | 2/1 | RIGHT BANK UPSTREAM |
| AB 5.2L | 2/2 | RIGHT BANK DOWNSTREAM |
| AB 5.9L | 1/1 | UPSTREAM |
| AB 5.9L | 1/2 | DOWNSTREAM |
| AN 2.5L | 1/1 | UPSTREAM |
| AN 2.5L | 1/2 | DOWNSTREAM |
| AN 3.9L | 1/1 | UPSTREAM |
| AN 3.9L | 1/2 | DOWNSTREAM |
| AN 4.7L | 1/1 | LEFT BANK UPSTREAM |
| AN 4.7L | 1/2 | LEFT BANK DOWNSTREAM |
| AN 4.7L | 2/1 | RIGHT BANK UPSTREAM |
| AN 4.7L | 2/2 | RIGHT BANK DOWNSTREAM |
| AN 5.9L 2WD | 1/1 | LEFT BANK UPSTREAM |
| AN 5.9L 2WD | 1/2 | PRE CATALYST |
| AN 5.9L 2WD | 1/3 | POST CATALYST |
| AN 5.9L 2WD | 2/1 | RIGHT BANK UPSTREAM |
| AN 5.9L 4WD | 1/1 | UPSTREAM |
| AN 5.9L 4WD | 1/2 | DOWNSTREAM |
| DN 3.9L | 1/1 | UPSTREAM |
| DN 3.9L | 1/2 | DOWNSTREAM |
| DN 4.7L | 1/1 | LEFT BANK UPSTREAM |
| DN 4.7L | 1/2 | LEFT BANK DOWNSTREAM |
| DN 4.7L | 2/1 | RIGHT BANK UPSTREAM |
| DN 4.7L | 2/2 | RIGHT BANK DOWNSTREAM |
| DN 5.9L | 1/1 | UPSTREAM |
| DN 5.9L | 1/2 | DOWNSTREAM |
| DR 3.7L | 1/1 | UPSTREAM |
| DR 3.7L | 1/2 | DOWNSTREAM |
| DR 4.7L | 1/1 | LEFT BANK UPSTREAM |
| DR 4.7L | 1/2 | LEFT BANK DOWNSTREAM |
| DR 4.7L | 2/1 | RIGHT BANK UPSTREAM |
| DR 4.7L | 2/2 | RIGHT BANK DOWNSTREAM |
| DR 5.7L | 1/1 | LEFT BANK UPSTREAM |
| DR 5.7L | 1/2 | LEFT BANK DOWNSTREAM |
| DR 5.7L | 2/1 | RIGHT BANK UPSTREAM |
| DR 5.7L | 2/2 | RIGHT BANK DOWNSTREAM |
| DR 5.9L | 1/1 | UPSTREAM |
| DR 5.9L | 1/2 | DOWNSTREAM |
| DR 8.0L | 1/1 | LEFT BANK UPSTREAM |
| DR 8.0L | 1/2 | PRE CATALYST |
| DR 8.0L | 1/3 | POST CATALYST |
| DR 8.0L | 2/1 | RIGHT BANK UPSTREAM |
| KJ 2.4L | 1/1 | UPSTREAM |
| KJ 2.4L | 1/2 | DOWNSTREAM |
| KJ 3.7L | 1/1 | LEFT BANK UPSTREAM |
| KJ 3.7L | 1/2 | LEFT BANK DOWNSTREAM |
| KJ 3.7L | 2/1 | RIGHT BANK UPSTREAM |
| KJ 3.7L | 2/2 | RIGHT BANK DOWNSTREAM |
| TJ 2.4L | 1/1 | UPSTREAM |
| TJ 2.4L | 1/2 | DOWNSTREAM |
| TJ 4.0L | 1/1 | FRONT UPSTREAM |
| TJ 4.0L | 1/2 | FRONT DOWNSTREAM |
| TJ 4.0L | 2/1 | REAR UPSTREAM |
| TJ 4.0L | 2/2 | REAR DOWNSTREAM |
| WJ 4.0L | 1/1 | FRONT UPSTREAM |
| WJ 4.0L | 1/2 | FRONT DOWNSTREAM |
| WJ 4.0L | 2/1 | REAR UPSTREAM |
| WJ 4.0L | 2/2 | REAR DOWNSTREAM |
| WJ 4.7L | 1/1 | LEFT BANK UPSTREAM |
| WJ 4.7L | 1/2 | LEFT BANK DOWNSTREAM |
| WJ 4.7L | 2/1 | RIGHT BANK UPSTREAM |
| WJ 4.7L | 2/2 | RIGHT BANK DOWNSTREAM |
| WJ 5.9L | 1/1 | UPSTREAM |
| WJ 5.9L | 1/2 | DOWNSTREAM |
| ZB 8.3L | 1/1 | LEFT BANK UPSTREAM |
| ZB 8.3L | 1/2 | LEFT BANK DOWNSTREAM |
| ZB 8.3L | 2/1 | RIGHT BANK UPSTREAM |
| ZB 8.3L | 2/2 | RIGHT BANK DOWNSTREAM |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.