What Is a Ford Trouble Code P1151? This trouble code is signaled by your heated exhaust oxygen sensor, or HO2S. This sensor is used to test the amount of oxygen to ensure an accurate air/fuel ratio. A failed test means there isn’t enough air mixing with your fuel.
How do I fix code P1151?
Possible causes setting conditions:
- Check for air leaks after the MAF sensor mounting location.
- Check for air leaks in the EGR system and in its related hoses and/or valve.
- Check for air leaks in the PCV system and in its related hoses and/or valve.
How do I fix code P1131?
Zitat von Youtube: It refers to insufficient switching of oxygen sensor bank one or the sensor one is lean. If you want to fix car problems check out the videos here.
What does lack of H02s21 mean?
Re: Ford code P1151 Lack of H02s21 Switches – Sensor Indicates Lean. MAF and Injector cleaner haven’t worked.
What is diagnostic code P1131?
Trouble code P1131 means that the powertrain control module has detected a lean condition for engine bank No. 1. Code P1131 can be caused by a vacuum leak, fuel injector problem, ignition problem or by a faulty oxygen sensor.
What causes P1151?
What Is a Ford Trouble Code P1151? This trouble code is signaled by your heated exhaust oxygen sensor, or HO2S. This sensor is used to test the amount of oxygen to ensure an accurate air/fuel ratio. A failed test means there isn’t enough air mixing with your fuel.
What is HO2S?
The Oxygen(O2) Sensor is installed in the exhaust system to determine the amount of oxygen left in the exhaust stream after combustion. This is used by the ECU to determine if more or less fuel (longer or shorter injector duration) is need to achieve optimum air/fuel ratios.
How do I fix code P0155?
What repairs can fix the P0155 code?
- Fix broken wires or bare wires.
- Replace the coolant temperature sensor.
- Replace the oxygen sensor.
- Replace the power control module (PCM), in the rare case that it is necessary.
What does P0174 code mean?
System Too Lean Bank 2
Definition: System Too Lean Bank 2. The P0174 engine code indicates that your car’s air-fuel ratio is too lean. The gas in your car has to be mixed with oxygen before it can combust and power your vehicle.