Down stream means it's after the catalytic converter.
There is not a cam sensor on a 2001 Nissan frontier with a 3.3 litre engine.
iat sensor murano
The 2001 Nissan Frontier coolant temperature sensor is located on the front of the engine. The sensor will be a few inches above the thermostat housing.
it is the upper stream o2 sensor before the convertor
in the fuel pump
I sould be on top of the block close to the firewall
To replace the knock sensor on a 2001 Nissan Frontier, first disconnect the negative battery terminal to ensure safety. Then, locate the knock sensor, which is typically found on the engine block. Remove the wiring harness connected to the sensor and unscrew it using a socket wrench. Install the new sensor by reversing the process, making sure to reconnect the wiring harness and reattach the battery terminal.
Assuming that you are referring to the downstream oxygen sensor, that will be the one located after the catalytic converter (the exhaust side, not the engine side).
The 2001 Nissan Frontier has 16 valves.
vehicle speed sensor may be your problem
The 2001 Nissan Frontier has a 5-speed manual.
The 2001 Nissan Frontier has an inline 4 engine.