P1170 - Feedback A/F mixture control (ho2s11)
P1173 - Feedback A/F mixture control (ho2s21)
Break down the code as follows:
"Ho2s" for Oxygen Sensor. The numbers after the "s" refer to locations. In the case of 11, its bank 1 circuit 1. Where as the 21 would refer to bank 2, circuit 1.
example, "ho2s11" we could say: oxygen sensor, bank 1, circuit 1
must be an engineer's answer. all kinds of facts, but it dont make sense. the reason you have those codes is simple. you have air leaks in the vacuum line system, most common is broke plastic "tee's". depending on which engine-2.5 or 2.3, the job can be difficult, or pain in the butt(2.3). parts are really cheap, but labor will break your wallet
you needs a dpfe sensor
It is most likely a failed manifold air pressure sensor. The sensor is on a bracket right behind the passenger upper strut mount.
It refers to the Heated Oxygen Sensor, and specifically that the signal remains unchanged for more than 20 seconds after closed loop. Probably time to change it.
The court code "SOM" typically refers to Somerset County in the state of New Jersey, United States. This code is used to identify legal cases and documents associated with the jurisdiction of Somerset County's court system.
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