P014F - OBD Trouble Code

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Is your car engine misfiring and having delayed start up? Is there black smoke emitting from the car exhaust? Is there a sudden drop in the fuel economy? All these are the indications to the OBD Code P014F being stored and flashed in the Powertrain Control Module (PCM).

OBD-II Code Decreased engine performance is defined as an O2 Sensor Slow Response - Lean to Rich

The oxygen sensor measures the oxygen content in the exhaust gases after they leave the combustion process of the engine. The engine control module (PCM) is constantly adjusting the amount of fuel delivered to the engine based off of the oxygen sensor signal. If the PCM does not see the Oxygen sensor reading constantly changing with the fuel adjustment, it will set code P014F.

What causes the problem of O2 Sensor Slow Response - Lean to Rich (B2 S1)?

• Problematic Oxygen Sensor
• Faulty wiring/ connections to the O2 sensor and circuit
• PCM (Powertrain Control Module) fault in sensor
• Break or damage in the intake/inlet pipe
• Intake/inlet pipeline getting clogged
• MAF (Mass Airflow Sensor) damaged

1. Powertrain Control Module - OBD Error Code P014F can also be due to faulty PCMs. This may lead to engine stalling or not starting, and check engine lights being on. It’s better to get the faulty electricals replaced as soon as possible.
2. Oxygen Sensor Cable - Bad oxygen sensor cable can cause poor idles, erratic jerking at steady throttle, hard starting problem, increased fuel consumption and Check engine light on. Replace it now!
3. Exhaust Manifold - Engine performance issues are common with a problematic exhaust manifold. It can cause decrease in power, acceleration and fuel efficiency. Thus, it’s better to recognise the problem in time and replace it immediately.
4. Ambient Air Temperature Sensor - Symptoms of bad temperature sensor can be poor fuel economy, black smoke from taillight and engine stalling. Thus, it’s important to replace it, if found fault.
5. Catalytic Converter - Catalytic converters can overheat because of excessive amounts of unburned gas caused by a misfiring spark plug or a leaky exhaust valve. Replace faulty converter now!
6. Exhaust System - Check for leaky or damaged exhaust that can cause loud noises. Other noises to listen out for include hissing, which indicates a crack in the exhaust manifold, exhaust pipe or a leaking gasket. A chugging noise could mean a blockage in the exhaust system. Thus, replace faulty exhaust system and parts now!
7. Mass Air Flow Sensor - The most common symptoms of a malfunctioning MAF sensor include engine hard to start or has trouble turning over. The engine drags or hesitates when idle or under load. Thus, replace MAF sensor now!
8. Throttle Position Sensor - Failing Throttle Position Sensor can cause lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on. Replace faulty sensors immediately.
9. Diagnostic Tool - Choose from our wide variety of diagnostic tools to detect and correct the OBD code error.

This P014F error may cause reduced power, the engine may run rough, or the engine may crank but not start. There is typically an illuminated Check Engine light as well. Visit Parts Avatar Canada to get genuine replacement parts and performance parts for your vehicle available for all makes and model be it Volvo, Chevrolet, Ford, Dodge, Porsche, Ford, Land Rover, Audi, Hyundai, Fiat, etc. This error may also indicate problems that will likely affect:

Common Symptoms

• Significant Drop in engine power
• Poor drivability & acceleration
• Reduced fuel economy and increased fuel consumption
• Abnormal throttle response
• General reduction in efficiency

Some of the common fixes for the problems in the OBD Code P014F for all makes and models are as follows:

• Replace faulty Oxygen Sensor and Circuit
• Repair or replace damaged wiring/connections to the O2 Sensor
• Replace PCM (Powertrain Control Module) if damaged and can also be reprogrammed if found faulty and tested again if the error reappears or not

However, if you face any of these issues then visit us at PARTSAVATAR CAR PARTS, CANADA. We have stocked a wide range of best priced ECM/PCM parts, transmission control systems, Car harness/wiring, solenoids, fuel pressure regulators and a lot more to help you out in fixing your car.

P014F is properly diagnosed with an advanced scan tool capable of factory sensor readings (not just one from an auto parts store). A qualified technician can read the data from the advanced scan tool to determine when the problem occurred, or if it is still occurring. They may clear the code/light and test drive the vehicle while monitoring the scan tool data to see if the fault returns or is present.

Based upon the conditions of the test, possibly clearing the code, and road testing the car while monitoring the data, further diagnosis may be required, which is as follows:

• A technician typically begins by hooking the vehicle up to an OBD-II scanner in order to verify that the code is present, and check for other codes.
• This data along with freeze frame data is recorded, and the codes are then cleared to see if they reoccur.
• Next, there should be a visual inspection of the wiring and connectors to check for loose connections, corrosion, or shorts.
• Replacement of Damaged wiring/connections to the O2 Sensor.
• Repair faulty PCM sensor that may require reprogramming.
• Replace Leaky and damaged intake/inlet pipe immediately.
• Faulty MAF (Mass Airflow Sensor) needs replacement as it directly hampers the engine performance.

Common mistakes when diagnosing the P014F code

The O2 sensor signal is used by the PCM to calculate fuel delivery and air intake strategy, therefore a code P014F should be treated as severe. Always check for faulty wirings and connections related to the sensor as treating them can be a cheap solution to the problem, rather that replacing PCM or sensors that might not be faulty. Always take help of an experienced mechanic to diagnose any OBD error code problem.