Engine-Codes - Chrysler - P1129 CHRYSLER

P1129 CHRYSLER - Closed Loop Fueling Not Achieved Bank 2

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

P1129 CHRYSLER Possible Causes

  • Fuel delivery system
  • Engine Coolant Temperature (ECT) sensor or wiring connectors
  • MAP sensor or wiring connectors
  • O2 sensor wiring or connectors
  • Engine mechanical system

How do I fix code P1129 CHRYSLER

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 P1129 CHRYSLER code

Labor: 1.0

The cost of diagnosing the P1129 CHRYSLER 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)

P1129 CHRYSLER Meaning

The Powertrain Control Module (PCM) detects a condition where the vehicle has remained in open loop fuel control, from a start-up condition, longer than a calibrated amount of time, when conditions would have otherwise closed loop operation.

P1129 CHRYSLER More Information

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