Engine-Codes - Generic - P1177

P1177 - O2 Correction Behind Catalyst B1 Limit Attained

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

P1177 Possible Causes

  • Faulty O2 Sensor
  • Faulty Failed MAF Sensor
  • Vacuum leak on engine
  • Lean Air/Fuel ratio

How do I fix code P1177

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.

Cost of diagnosing the P1177 code

Labor: 1.0

The cost of diagnosing the P1177 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)

P1177 Meaning

O2 Correction Behind Catalyst B1 Limit Attained is the generic description for the P1177 code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1177 OBDII code.

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P1177 More Information

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