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U2149 Engine Code Repair

Meaning of U2149 engine trouble code is a kind of network trouble code and when the check engine light comes U2149 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

U2149 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for U2149 code is occuring now you should check U2149 repair processes.
Now don't ask yourself; What should you do with U2149 code ?
The solution is here :

U2149 Possible Solution:

U2149 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

U2149 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

1
Ambient Air Temperature Sensor Circuit Low

4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

9
Clutch Position Sensor Circuit Malfunction

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

U2149 OBD-II Diagnostic Network (U) Trouble Code Description

U2149 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For U2149 Code

The reason of U2149 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

U2149 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.