Is upstream the same as downstream?
The terms upstream and downstream oil and gas production refer to an oil or gas company’s location in the supply chain. Upstream oil and gas production is conducted by companies who identify, extract, or produce raw materials. Downstream oil and gas production companies are closer to the end user or consumer.
Are the upstream and downstream oxygen sensors the same?
A: Each vehicle is different in the amount of O2 sensors they have. Could be 1-4 or even more. If you know you only have two, the upstream is before the converter and the downstream is after it. Most parts stores can scan you vehicle and tell which one is suspect.
How many upstream channels should I have?
Upstream power level limits depend on the number of upstream channels locked. For some networks, the power limits for 3 to 4 channels are 35 to 51 dBmV. Ideal levels are approximately 40 to 50 dBmV for single channels, 37 to 48 dBmV each for 2 to 4 channels.
When to replace the upstream sensor on a Jeep XJ?
Replaced the upstream sensor on a 1998 Jeep XJ as the engine was sputtering and running rough. At the same time, I also replaced the catalytic converter. New sensor worked for about 1 week before it crapped out and started causing worse problems then the old one. I unhooked it for another week until I was able to get a MOPAR OEM sensor.
What’s the difference between upstream and downstream oxygen sensors?
Upstream oxygen sensor is also known as sensor 1, or pre-cat, or upper oxygen sensor. Downstream oxygen sensor is also known as sensor 2, or post-cat, or lower oxygen sensor. 1.Helps ensure your engine is constantly monitored and operating efficiently, while maximizing performance.
What did the upstream O2 sensor fail on my Jeep?
The upstream sensor failed in a way that messed up the jeep. At temperature (210) which was just long enough to leave me out of walking distance and cell service on my way to work today. The jeep started bogging and sputtering and after about a half hour of diagnostics at 5:15 in the am along the road.