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 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.
What should bank 1 fuel trim be at idle?
If long-term fuel trim (LTFT) for bank 1 is 25% at idle, but corrects to 4% at 1,500 and 2,500 rpm, focus on factors that cause a lean condition at idle, such as a vacuum leak.
How often does STFT go positive at idle?
STFT varies up and down a few percent but is usually positive at idle. LTFT +%14 at idle engine warm, this number varies + – %2 or 3. LTFT at 1500rpm no load, +%9. LTFT at 2500rpm no load, +%4. O2 sensor voltage appears correct. Upstream cycles .9 to .1 volts about every 1.5 seconds.
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.
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.