Is the p0448 OBD code a bad vent?
If you have a Chrysler, Jeep, or Dodge vehicle that has set a P0448, there’s a good chance that you have a bad vent. GM has released an improved valve assembly to handle this problem, as well.
When is the p0448 code stored in the PCM?
The P0448 code is stored when the powertrain control module (PCM) detects that the circuit for the evaporative emission control system’s vent has shorted, or that the valve for this system is stuck in the closed position. When gas sits in the gas tank, it emits vapor.
What are the symptoms of a p0448 DTC?
Symptoms of a P0448 DTC will include Malfunction Indicator Lamp (MIL) illumination, you will likely not notice any other symptoms. Potential causes may include: Some steps to take to diagnose and repair this trouble code include the following: Check your fuses, there may be a fuse that powers the vent solenoid.
What is the diagnostic code for evaporative emission control?
P0448 is a diagnostic trouble code (DTC) for “Evaporative Emission Control System Vent Control Circuit Shorted”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
Why does my car have the code p0448?
So if you have the code problem P0448 it may be the vent control valve stuck or dirty , If your fuel is spilling out or slow fill up It may be clogged . You may want to check out the vent control valve
P0448 is a diagnostic trouble code (DTC) for “Evaporative Emission Control System Vent Control Circuit Shorted”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
How does the evaporative emission control system work?
As you drive your vehicle, the evaporative emission control system’s vent opens up to allow those vapors to circulate through to the charcoal canister, the outside of the vehicle, or the engine’s intake manifold (depending on what kind of vehicle you have).