How do you fix EVAP code P0446?
Gas caps are relatively inexpensive and are often the fix for code P0446. If the fuel cap didn’t fix it, perform an EVAP system leak check: Pinch off the vent tube to the EVAP Vent Control Valve. Pressurize the EVAP system with an EVAP smoke machine leak checker.
Is P0446 serious?
Is Code P0446 Serious? The P0446 code won’t put you in any immediate danger. You can still drive your vehicle if you see this code. Other than the check engine light, you may experience reduced fuel economy.
What could cause a P0446 code?
Code P0446 indicates that there is an improper voltage drop in the EVAP Vent Valve circuit, which can be caused by either too little or too much electrical resistance. This improper electrical condition will cause the vent valve to malfunction.
What can cause an EVAP check engine light Toyota Camry?
Intermittent failure of a purge control valve in the evaporative emission system can cause the Check Engine Light to illuminate. A failed valve should be replaced to correct this problem.
What is P0446 code Toyota?
Specifically, P0446 indicates an Evaporative Emission Control (EVAP) system vent control circuit malfunction. Typically, this indicates a faulty vent valve, a bad control circuit for that valve, or a blockage in the vent valve. In all cases, it clearly shows the mechanic that a check of the EVAP vent valve is in order.
Where is the p0446 code on a Toyota Camry?
The P0446 codes triggered when an improper voltage signal is sent to Engine Control Module (ECM) through EVAP canister vent control valve. The Evaporative System ( EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent.
What does the code p0446 stand for?
Code P0446 Definition Evaporative Emission Control System Vent Control Circuit Malfunction What Does P0446 Mean? The evaporative emission control (EVAP) system prevents fuel vapors from escaping into the atmosphere.
What is the diagnostic code for Toyota EVAP?
P0446 Code – Toyota EVAP system control circuit malfunction The P0446 OBD-II code often triggers with other related EVAP codes (like P0441), and the specific combination of codes can give your mechanic a better idea of where the actual problem lies.
What is the EVAP code for a Toyota Camry LE?
2000 Camry LE, 4 cylinder 5S-FE engine (federal) with 182k miles just threw a check engine light, engine warmed up either when driving or at a stop light. The gas tank was and is 3/4 full. My scanner found only these codes: P0440; P0441; and P0446.