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usually this means the gas cap is not on tight or is leaking

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16y ago

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What does OBDII code P0443?

Evaporative emission system purge control valve circuit


What does the OBDII code P4402 mean on a Ford Explorer?

AnswerP0442 evaporative emissions control system leak detected see "What are OBDII codes and their meanings?"you can also go to www.obd-codes.com for a list of several codes on different models hope this helps- steph


How do you fix a 2007 suburban obdii code for evaporative emissions control vent solenoid?

To fix a 2007 Suburban OBDII code related to the evaporative emissions control vent solenoid, first inspect the solenoid for any visible damage or disconnections. If it's defective, replace it with a new unit. Additionally, check the associated wiring and connectors for corrosion or breaks. After making repairs, clear the code with an OBDII scanner and monitor for any reoccurrence.


What does p0496 code mean on a 2004 Colorado?

Evaporative Emission System High Purge Flow. Relates to your vehicles OBDII compliant system for monitoring vehicle emissions.


What is OBDII CODE P0449?

P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction


What does OBD II codes 440 and 441 mean?

P0440 OBDII code is for evaporative emissions control system failure.. check your gas cap though, many times a loose gas cap is the culprit with this code, hope this helps some1 out.


What does OBDII code P0443 Evaporative emission control system purge control valve circuit malfunction mean?

I t means you have something wrong with your emissions. Check the hose that goes from the Evap Valve (usually a round plastic valve) to Throttle body. Maybe is too soft and when there is a vacuum it clogges.


What is the P0440 OBDII code?

Large evaporative emissions vapor leak. Check gas cap and all hoses from the engine to the gas tank.


OBDii code p0455 comes up which is evaporative emissions gross Leak no idea where to start looking your cruise control also stopped working when the light came on Have to smog truck next month?

Check every rubber hose from the engine to the fuel tank.


What causes OBDII code P0440?

The 0400 - 04## are all emissions related, can be caused by something as trivial as an improperly tightened gas cap or as complex as the EVAPORATIVE EMISSIONS CONTROL SYSTEM, which has a series of hoses, purge valve and charcoal vapor canister filter controlled by the computer. Older cars normally develop leaks in the hoses that can be determined using specialized leak detection testing, normally not for diy level of repair. Most of the 0400 series codes will not affect drive-ability but should be treated ASAP


What does OBDII code P0449 evaporative emission control system vent valve solenoid circuit mean?

There is air escaping from the gas tank. Often a problem with the gas cap, try tightening the cap, reset the code and see if it comes back on. Essentially it is testing for cracks in the tank.


What does a p0446 check engine light means on a 2000 Chevy truck?

P0446 Evaporative Emission Control System Vent Control Circuit. The most common cause is the gas cap left off and someone drove the car or the cap was not fully locked it will set the code. Some other causes are leaking evaporative emission plumbing from the fuel tank to the engine compartment, someone changed the fuel pump and did not seal it properly. Failure of a emission component in the evap system. The only way to diagnost these is an OBDII scan tool and a smoke machine the light will come on when the computer does its test of the system and there is a hole as small as .020" 1/20,000 of an inch ! The light can only be turned off by a OBDII scan tool