Closed Loop Fueling Not Achieved Bank 2
Table of contents
P1129 MITSUBISHI 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 MITSUBISHI?
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 MITSUBISHI code
The cost of diagnosing the P1129 MITSUBISHI 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)
P1129 MITSUBISHI Description
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.