Hello Pathfinder Community
I recently bought a 2002 Nissan Pathfinder with the 3.5l V6 Engine and restored it a little bit (welded Rust, replaced some Parts,...). I dont know, what the exact name of my model is, because here they are named differently to the US.
Now I have two problems that might be related.
The first problem is that after about three days the engine warning light came on. A read-out device from a colleague brings up the errors P0158 and P0138. So O2 sensor bank 2 sensor 2 and O2 sensor bank 1 sensor 2.
What could be the problem? I don't think it's the sensors. It would be a bit unlikely that both of them would break down at the same time. By the way, the engine runs cleanly and I can't detect any jerking or similar.
My second problem is the fuel consumption. Of course I know that it is not an economical car. I reckoned with 13-15l/100km (18.1-15.7 mpg) with a decent driving style.
I mainly drive in the 50s (31mph) and 80s (50mph), often with cruise control and not at all with a heavy foot on the accelerator. A mountain pass can also be part of the trip. But it's a small percentage.
Tyres can also have a big influence. I put on new Yohohama Geolandar A/T G015 tyres and drove with 2.5 bar (36psi). Now I have pumped up to 3.2 bar (46psi) because of the consumption. I want to see if I notice a difference.
I now drive with a consumption of about 17.5l/100km (13.4mpg).
Can these problems be related?
If you need anything else to know, just ask me. And sorry if my english isn`t perfect
Thank you for your answers.