What does closed loop fueling not achieved BANK 1 mean?
A P1128 Closed Loop Fueling Not Achieved – Bank 1 means that the PCM isn’t seeing the O2 readings it needs to change from open loop (default factory programming determines air/fuel mixture) to closed loop (PCM varies air/fuel mixture based on live readings from all sensors).
What is P1129 code?
|P1129 DODGE 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.
What causes a p1128 trouble code on a Dodge?
Getting a P1128 trouble code on a Chrysler or Dodge product may lead you to believe you’ve go a bad thermostat or engine coolant temperature sensor because P1128 is: P1128 Closed loop fueling not achieved Bank 1 The symptoms appear as hesitation, stalling, misfire.
How much does it cost to diagnose a p1128 code?
The cost to diagnose the P1128 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
What does the code p1128 mean on a Honda Accord?
Code p1128 refers to “Closed loop fueling not achieved”, meaning that for some reason the engine is not reaching a state where it is able to run using the information from the engine sensors. When the engine is first started, it will operate in what is known as “open loop”, where the fuel,…
What does p1128 mean in Powertrain Control Module?
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. Need more information on how to fix the P1128 code?