P1137 2001 Ford F150 Code - Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
Quick Answer
The Heated Oxygen Sensor 2 (HO2S2) (Downstream), after the three-way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Exhaust gas leaks, Faulty Heated Oxygen Sensor 2 (HO2S2) (Downstream) Bank 1, Heated Oxygen Sensor 2 Bank 1 harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1137 2001 Ford F150 indicates Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean.
- Common causes
- Common causes include Exhaust gas leaks, Faulty Heated Oxygen Sensor 2 (HO2S2) (Downstream) Bank 1, Heated Oxygen Sensor 2 Bank 1 harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1137 2001 Ford F150 Description
What are the Possible Causes of the DTC P1137 2001 Ford F150?
- Exhaust gas leaks
- Faulty Heated Oxygen Sensor 2 (HO2S2) (Downstream) Bank 1
- Heated Oxygen Sensor 2 Bank 1 harness is open or shorted
- Heated Oxygen Sensor 2 Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
How to Fix the DTC P1137 2001 Ford F150?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1137 2001 Ford F150 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1137 2001 Ford F150 Code
What does the OBDII code P1137 mean on a 2001 Ford F150?
1. P1137 indicates that the downstream oxygen sensor (Bank 1, Sensor 2) is detecting a lean condition and is not switching properly as expected. 2.
What are the symptoms of a P1137 code on a 2001 Ford F150?
Common symptoms include reduced fuel efficiency, poor engine performance, rough idling, hesitation during acceleration, and the check engine light being illuminated. 3.
What causes the P1137 code to appear on a 2001 Ford F150?
Potential causes include a faulty oxygen sensor, exhaust leaks near the sensor, a failing catalytic converter, damaged wiring or connectors, or issues with the fuel system causing a lean condition. 4.
Which oxygen sensor is affected by the P1137 code on a 2001 Ford F150?
The code refers to the downstream oxygen sensor on Bank 1, which is the side of the engine with cylinder 1. This sensor is located after the catalytic converter. 5.
Can a dirty mass airflow (MAF) sensor cause the P1137 code?
Yes, a dirty or malfunctioning MAF sensor can cause incorrect air-fuel mixture readings, potentially leading to a lean condition and triggering the P1137 code. 6.
How do I diagnose the P1137 code on a 2001 Ford F150?
Start by checking the wiring and connectors for the Bank 1 Sensor 2 oxygen sensor. Inspect for exhaust leaks and test the sensor’s performance. If the sensor is functioning, check for fuel delivery issues or a faulty catalytic converter. 7.
Can I drive my 2001 Ford F150 with the P1137 code?
While the truck may still be drivable, continuing to drive with this code can lead to decreased fuel efficiency, potential engine damage, or harm to the catalytic converter if not addressed promptly. 8.
How do I fix the P1137 code on a 2001 Ford F150?
Repairs may involve replacing the Bank 1 Sensor 2 oxygen sensor, fixing exhaust leaks, cleaning or replacing the MAF sensor, repairing wiring or connectors, or addressing fuel system issues. 9.
How much does it cost to fix the P1137 code on a 2001 Ford F150?
The cost varies depending on the issue. Replacing an oxygen sensor typically costs $150–$300, while repairs for other causes like exhaust leaks or fuel system problems may cost more. 10.
Will clearing the P1137 code fix the problem on my 2001 Ford F150?
Clearing the code will only reset the check engine light temporarily. If the underlying issue is not resolved, the code will return.
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