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P0448 - Tiburon Hyundai Cars & Trucks

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P0448 Evaporative Emission Control System Vent Control Circuit Shorted

Posted on Aug 29, 2008

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Code p0448


Well the code 448 is for a vent valve on the evap system for the gas tank. So I doubt it has anything to do with the no start condition.
I would look for a problem with the crank or cam sensor, or the module the coil connects to.

Sep 08, 2012 | 2003 Pontiac Grand Am

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Can not put gas in tank. it spills back out when filling. What is a quick fix for a month or so till son gets home with it


Sounds to me as if the pump is not being inserted into the tank far enough which will cause spillage. Always insert the pump until the rings on the nozzle of the pump touch the base of the opening of your gas "hole".

May 20, 2011 | 2004 Nissan Sentra

1 Answer

P0448 error code


Error code P0448 is an Evaporative Emission Control System Vent Control Circuit Shorted.

Mar 02, 2011 | 2007 Chevrolet Monte Carlo

2 Answers

I checked the codes and one comes up its po446. i dont under stand what it mean so i cant fix it to get the light to go out.


P0446 Evaporative Emission System Vent Control Circuit.
The following are descriptions of all Evaporative possible codes:

P0441 Evaporative Emission System Incorrect Purge Flow
P0442 Evaporative Emission System Leak Detected (small leak)
P0443 Evaporative Emission System Purge Control Valve Circuit
P0444 Evaporative Emission System Purge Control Valve Circuit Open
P0445 Evaporative Emission System Purge Control Valve Circuit Shorted
P0446 Evaporative Emission System Vent Control Circuit
P0447 Evaporative Emission System Vent Control Circuit Open
P0448 Evaporative Emission System Vent Control Circuit Shorted
P0449 Evaporative Emission System Vent Valve/Solenoid Circuit
P0450 Evaporative Emission System Pressure Sensor/Switch
P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance
P0452 Evaporative Emission System Pressure Sensor/Switch Low
P0453 Evaporative Emission System Pressure Sensor/Switch High
P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent
P0455 Evaporative Emission System Leak Detected (large leak)
P0456 Evaporative Emission System Leak Detected (very small leak)
P0457 Evaporative Emission System Leak Detected (fuel cap loose/off)
P0458 Evaporative Emission System Purge Control Valve Circuit Low
P0459 Evaporative Emission System Purge Control Valve Circuit High
---
At least the cap isn't loose for the gas tank.

I would clear the code with an OBD-II Scanner 'erase code' button, and see how long it takes for it to come back.

Aug 06, 2010 | 1996 GMC Jimmy

1 Answer

Hard to start 2004 sonata


Hi have a nice day!
Check EVAP Emission Control System Vent Circuit.

DESCRIPTION The evaporative system prevents hydrocarbon (HC) vapors from the fuel tank escaping into the atmosphere where they would form photochemical smog. Gasoline vapors are collected in the charcoal canister. The Canister Close Valve (CCV) closes off the air inlet to the canister for leak detection of the evaporative emission system. The CCV also prevents fuel vapors from escaping from the canister. When the engine purges HC vapors from canister, the clean air comes into the canister through canister air-filter and CCV. If open error message displayed is "P0447" If shorted error message is "P0448"

May 29, 2008 | Hyundai Motor 2004 Sonata

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