How do I fix code P0138?

What repairs can fix the P0138 code?

Replacing the O2 sensor for bank 1 sensor 2.
Repairing or replacing the wiring or connection to the O2 sensor for bank 1 sensor 2.
Replacing the catalyst in front of the sensor.
Repairing a leaking injector.

Can I drive with P0138 code?

It is okay to drive a vehicle with P0138 for a short period of time, but driving with this code for an extended period of time can damage the catalytic converter(s).

How do you fix a high voltage O2 sensor?

The number one most common repair for this problem is replacing the O2 Sensor itself. Another repair would be to replace the wiring or connection for Bank 1, Sensor 2. If the catalyst is the problem, replace the catalytic converter. Replace the fuel injector if it is leaking.

Where is the oxygen sensor located?

The oxygen sensor helps keep that balance in check. The sensor is typically located on the passenger side of the car, mounted directly onto the exhaust pipe near the catalytic converter. When the sensor goes bad, your car may lose up to 40 percent of its fuel efficiency, because your car will use too much gas.

Can a bad O2 sensor cause a P0300 code?

Can a bad O2 sensor cause a P0300 code? Because the oxygen sensor is one of the primary inputs to your car’s computer for fuel control, a failure of the sensor can lead to an improper air/fuel ratio, which can cause an engine misfire that triggers code P0300.

How can you tell if oxygen sensor is bad?

Here are some of the most common signs that your oxygen sensor is bad.

A Glowing Check Engine Light. The bright orange Check Engine light in your dashboard will usually glow if you have a bad oxygen sensor.
Bad Gas Mileage.
An Engine That Sounds Rough.
An Emissions Test Failure.
An Older Vehicle.

Can a loose gas cap cause an O2 sensor code?

If the gas cap was loose, then you would also trigger a gross EVAP leak diagnostic code.

How do you trick an O2 sensor?

How to Bypass Oxygen Sensors

Raise your vehicle onto jack stands.
Place jack stands underneath the front pinch welds located underneath the front doors (underneath the vehicle) and lower the vehicle onto the stands.
Remove the electrical plug from the O2 sensors underneath the vehicle.

How many volts should my O2 sensor read?

0.45 volts
When the air/fuel mixture is balanced or at the equilibrium point of about 14.7 to 1, the sensor will read around 0.45 volts. When the computer receives a rich signal (high voltage) from the O2 sensor, it leans the fuel mixture to reduce the sensor’s reading.

What are the signs of a bad oxygen sensor?

Here are some of the most common signs that your oxygen sensor is bad.

A Glowing Check Engine Light. The bright orange Check Engine light in your dashboard will usually glow if you have a bad oxygen sensor.
Bad Gas Mileage.
An Engine That Sounds Rough.
An Emissions Test Failure.
An Older Vehicle.

How much does it cost to fix a P0300 code?

The most common repair is to change the spark plugs and spark plug wires (if used), or what we sometimes call a tune up. Here the price can start out at $150 for many four cylinders and range upwards of $700 for six cylinders and eight cylinders.

When is the p0138 Dodge engine code detected?

Most auto repairs shops charge between $75 and $150 per hour. When is the P0138 DODGE code detected? The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time.

What does the p0138 code on the ECM mean?

The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time.

How much does it cost to repair a p0038 Dodge?

The cost to diagnose the P0038 DODGE code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. How much do you know about cars? When is the code detected?

How to check engine code on Dodge Neon?

1) Insert the key into the ignition, and go from the off position, to the on position THREE times. Off-On, Off-On, Off-On and then leave the key in the ignition. Then, the display will show the engine codes, followed by a DONE message.

What does the p0138 code mean on a Dodge?

P0138 DODGE Tech Notes Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem. The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time.

The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time.

What is the oxygen sensor code on a Dodge Ram?

Dodge Ram P0138: Oxygen Sensor High Voltage (Bank 1 -Sensor 2) P0138 is a common OBDII code that occurs in many vehicles, including theDodge Ram. The code is triggered when: There are also some less likely problems that can cause P0138.