How many O2 sensors does a 2005 Nissan Sentra have?

How many O2 sensors does a 2005 Nissan Sentra have?

Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more.

What does the code P1273 Nissan mean?

P1273 NISSAN Possible Causes Faulty Air fuel ratio (A/F) Sensor 1 Bank 1 Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection Fuel pressure Faulty Fuel injector Faulty Air Flow Meter What does this mean? How do I fix code P1273 NISSAN

What is the air fuel ratio sensor P1273?

P1273 Nissan Description. The Air Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. The sensor element of the A/F sensor is the combination of a Nernst concentration cell (sensor cell) with an oxygen-pump cell, which transports ions. It has a heater in the element.

What can you do with a P1273 code?

You can end up changing air flow meter, O2 sensors, exhaust pipes, intake manifold, fuel injectors, fuel pump, vacuum pipes, fuel tank, software upgrade and many more subsystems that you can think of resulting in a flow of money.

What to do if your Nissan p0402 comes back?

To keep the P0402 from coming back I installed one of those screw in spark plug non-fouler type O2 sims into the rear and installed the original O2 on top of it. 10,000 miles and has not come back. With a scan tool the rear O2 is pegging around .8volts while cruising.

You can end up changing air flow meter, O2 sensors, exhaust pipes, intake manifold, fuel injectors, fuel pump, vacuum pipes, fuel tank, software upgrade and many more subsystems that you can think of resulting in a flow of money.

What is the dreaded P1273 code on Nissans?

The dreaded P1273 code. The P1273 code is a hen that lays golden eggs for Nissan dealerships, repair shops as well as parts dealers since it is so vague in the fault .Not sure how the DOT can allow such a vague code which cannot even pinpoint a problem in the vehicle.

To keep the P0402 from coming back I installed one of those screw in spark plug non-fouler type O2 sims into the rear and installed the original O2 on top of it. 10,000 miles and has not come back. With a scan tool the rear O2 is pegging around .8volts while cruising.