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P1127 2003 Ford F150 Code - Exhaust Not Warm Enough Downstream O2 Sensor Not Tested

- Code Popularity: 4,415 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1127 2003 Ford F150?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty O2 Sensor Heaters
  • O2 Sensor Heaters harness is open or shorted
  • O2 Sensor Heaters circuit poor electrical connection
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How to Fix the DTC P1127 2003 Ford F150?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1127 2003 Ford F150 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1127 2003 Ford F150 Description

The heated oxygen sensor (HO2S) monitor uses an exhaust temperature model to determine when the HO2S heaters are cycled ON. The test fails when the inferred exhaust temperature is below a minimum calibrated value.

OBDII Code P1127 2003 Ford F150 - Exhaust Not Warm Enough Downstream O2 Sensor Not Tested - AutoCodes.com
P1127 2003 Ford F150 Code - Exhaust Not Warm Enough Downstream O2 Sensor Not Tested

Need More Information on the Code?

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Code P1127 2003 Ford F150 comments

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