Engine-Codes - Mercury - P1128 MERCURY

P1128 MERCURY - Front O2 Sensor Connectors Swapped

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

P1128 MERCURY Possible Causes

  • Switch O2 sensor connectors

How is the P1128 MERCURY code repair?

Start by checking 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.

What is the cost to diagnose the P1128 MERCURY code

Labor: 1.0

The cost to diagnose the P1128 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1128 MERCURY Meaning

Engine Control Module (ECM) made a fuel correction and detected the O2 sensor connected incorrectly

More Information

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