Error code 446 - Elantra Hyundai Cars & Trucks

The first suggestion is, get a 2nd opinion.

> P o 446 code had it replace and the engine light came back on after paying 600 dollars

Let us know what has been replaced-

You need to know what the codes me first. If you go to an auto parts store they will hook it up to a computer and tell you what the codes are.

Error Code: P0440
Fault Location:
Evaporative Emission (EVAP) System - Malfunction
Possible Cause:
Malfunction Indicator Lamp (MIL) active.
Soution:
Check Evaporative Emission (EVAP) System Sealing.
Check Evaporative Emission (EVAP) Canister Purge Regulator Valve .
Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve .

Error Code: P0441
Fault Location:
Evaporative Emission (EVAP) System - Incorrect Flow Detected
Possible Solutions:
Check Evaporative Emission (EVAP) Canister Purge Regulator Valve .
Perform Output Test.
Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve .
Check Evaporative Emission (EVAP) Canister.
Perform Basic Setting.
Check Pipes between Tank Breathing and Throttle Body.

Error Code: P0446
Fault Location:
Evaporative Emission (EVAP) System, Vent Control - Circuit Malfunction
Possible Cause:
Wiring harness.
Evaporative emission (EVAP) canister purge valve.
Engine control module (ECM).

They are common Generic Codes you can find anywhere on the internet

PO442-Evap System (Small Leak)

PO 446- Evap System Vent Control Circuit Malfunction

Generic Code --not GM

PO-446 Evap Control System Vent Circuit Malfunction

http://www.fixya.com/cars/t4366073-code_446_mean_1996_chevy_blazer click on to see your dtc code 446

440 Evaporative Emission Control System
441 Evaporative Emission System Incorrect Purge Flow
446 Charcoal Canister

You can't check a gas cap by seeming. An emmisions staition will check it for you. You don't want to do that hair dryer warming. Flamable and rubber hardening is heat to gas vapors.

it is important for the enviroment and it can cause other engine trouble try to replace it

these are evaperative emmisions code 440 is a general evap malf 446 is a small leak code. sometimes these codes are set after fueling, if the fuel cap is not correctly installed. or if the fuel cap has been lost and replaced with one that does not seal well.