The OBD code P0135 for Ford indicates a fault with the Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit.
Symptoms include the Engine Light ON, increased fuel consumption.
Common causes are a faulty sensor, circuit fuse, wiring issues, or a defective Engine Control Module (ECM).
This issue should be addressed promptly to prevent further damage.
A possible fix involves inspecting and repairing the sensor circuit and related components.
| Repair Importance Level | 6.67 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
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Symptoms of the Ford p0135 OBD Code
The vehicle may experience issues related to the oxygen sensor heater circuit malfunction (Ford P0135).
- Symptoms: Engine Light ON.
- Higher fuel consumption.
Causes of the Ford p0135 OBD Code
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Possible reasons for Ford P0135 include faulty oxygen sensor, wiring issues, or ECM problems.
- P0135 can be caused by a Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1.
- A Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse.
- A Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground.
- A Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection.
- Or a Faulty Engine Control Module (ECM).
Fixing Ford Error Code p0135 Step By Step
Replace the faulty oxygen sensor in bank 1 sensor 1 on a Ford vehicle showing code P0135.
- To fix the Ford OBDII code P0135, start by reviewing the possible causes related to the oxygen sensor circuit malfunction.
- Visually inspect the wiring harness and connectors associated with the Bank 1 Sensor 1 oxygen sensor.
- Check for any damaged components and ensure the connector pins are not broken, bent, pushed out, or corroded.
- If no visible issues are found, consider replacing the Bank 1 Sensor 1 oxygen sensor itself as it may be faulty and causing the P0135 trouble code.
- After replacing the sensor, clear the fault codes and perform a test drive to verify if the issue has been resolved.
Cost Of Fixing Ford p0135 Fault Code
Diagnosing and repairing Ford code P0135 typically involves testing and replacing the oxygen sensor.
The cost to diagnose and fix the Ford OBD code P0135 typically ranges from $75 to $150 per hour for labor rates.
With an estimated repair time of 1. 0 hour, the total cost can be around $75 to $150, depending on shop rates and the complexity of the issue.
Details of the Ford p0135 OBD Code
Fault code P0135 in a Ford indicates a malfunction in the oxygen sensor heater circuit for bank 1 sensor 1.
OBD code P0135 for Ford vehicles indicates a malfunction in the upstream oxygen sensor heater circuit.
This code is triggered by the Engine Control Module (ECM) when it detects that the oxygen sensor heater element in the bank 1 sensor 1 is not operating properly.
The oxygen sensor heater circuit is responsible for quickly bringing the oxygen sensor up to operating temperature for more accurate fuel control.
When the ECM detects an issue with the heater circuit, it sets code P0135.
Mechanic’s Tech Notes
Detailed information on diagnosing and repairing Ford code P0135 related to the oxygen sensor heater circuit malfunction.
To diagnose and fix OBDII code P0135 on a Ford, start by checking the oxygen sensor (Bank 1 Sensor 1) heater circuit.
Use a voltmeter to test the sensor’s heater circuit for proper voltage and resistance.
Ensure the sensor is receiving power and ground.
If the sensor is getting power but not heating up, it may need replacement.
Check the wiring harness and connectors for any damage or corrosion.
Clear the code after fixing the issue and monitor if it returns.
If the code persists, further diagnostics may be needed, such as checking the PCM or wiring for faults.
FAQ
The common cause of OBD code P0135 in a Ford vehicle is a faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 or related circuit issues.
Diagnose and fix OBD code P0135 in your Ford: Symptoms Engine Light ON, higher fuel consumption. Causes Faulty H2OS Bank 1 Sensor 1. Fix Inspect wiring and connectors.
It is not safe to continue driving with OBD code P0135 in a Ford vehicle. Address the faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 immediately.
Wrap Up
If your Ford is displaying OBD code P0135, you may experience poor fuel economy, rough idling, or a lack of power.
This code typically indicates a fault with the oxygen sensor heater circuit in bank 1 sensor 1. Possible causes include a faulty oxygen sensor, damaged wiring, or a blown fuse related to the sensor heater circuit.
To address Ford OBD code P0135, start by checking the wiring and connectors leading to the bank 1 sensor 1 oxygen sensor.
Test the sensor’s heater circuit for continuity and resistance.
If necessary, replace the oxygen sensor and ensure
