AutoCodes - OBDII Code List - P1128 1998 FORD F150

P1128 1998 FORD F150 - Front O2 Sensor Connectors Swapped

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3    What is this?
Table of contents

P1128 1998 FORD F150 Possible Causes

  • Crossed HO2S Harness Connectors
  • Powertrain Control Module (PCM) Harness Connector

How do I fix code P1128 1998 FORD F150?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P1128 1998 FORD F150 code

Labor: 1.0

The cost of diagnosing the P1128 1998 FORD F150 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1128 1998 FORD F150 Description

The Diagnostic Trouble Code (DTC) will set anytime the Powertrain Control Module (PCM) Detects Upstream Oxygen Sensors swapped from Bank to Bank. Heated Exhaust Gas Oxygen (HEGO) Sensor Monitor checks & determines if the HO2S signal response for fuel shift corresponds to the correct engine bank. The code sets when HO2S being tested is not indicated.
OBDII Code P1128 1998 Ford F150 - Front O2 Sensor Connectors Swapped - AutoCodes.com

More Information

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