P377B Engine Code Repair
Meaning of P377B engine trouble code is a kind of powertrain trouble code and when the check engine light comes P377B 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.
P377B Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for P377B code is occuring now you should check P377B repair processes.
Now don't ask yourself; What should you do with P377B code ?
The solution is here :
P377B Possible Solution:
Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.
P377B Code Meaning :
P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
3
Ignition System Or Misfire
7
Fuel Temperature Sensor B Circuit Range/Performance
7
Cylinder 4 Contribution/Balance Fault
b
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.
P377B OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP377B engine trouble code is about .Main reason For P377B CodeThe reason of P377B OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance. |
Parts or components should not be replaced with reference to only a P377B DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.