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On my i drive it says increased emmisions,emissions related malfunction

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Scan for emmission codes something is being detected
may just need a good hwy ride to clear out system

Posted on Apr 03, 2011

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Posted on Jan 02, 2017

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How do I tell if my car has california emmisions?


underneath the hood, in the engine compartment is a CATALYST sticker. That sticker is used for emissions related purposes. It might read "This Vehicle conforms to (year)" thats where it will state california or federal reguations for model year.

Aug 30, 2014 | 1997 Toyota Avalon

1 Answer

Ccid 031 fault on mini


31
*
Digital engine
electronics
(DME), digital
diesel electronics
(DDE)
Increased
emissions!
Increased emissions
Engine malfunction influencing exhaust
emissions.
Have the problem checked by BMW Service as

May 01, 2014 | 2007 Mini Cooper S

1 Answer

Emission problem


Until the system performs a full self test, this is referred to as an "OBD 2 drive cycle test"

Mar 04, 2014 | Cars & Trucks

1 Answer

Error code 441 need to know how to fix &repair


Here is the definition for the code.
You may need a shop manual for the actual test procedures.


P0441 MITSUBISHI Description The vapor pressure sensor, Voltage Solenoide Valve (VSV) for EVAP, Voltage Solenoide Valve (VSV) for canister closed valve (CCV) and Valve Solenoide Valve (VSV) for pressure switching valve are used to detect abnormalities in the evaporative emission control system. The ECM decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal. Diagnostic Trouble Code (DTC) P0441 is recorded by the ECM when there is a malfunction in either the VSV for EVAP, the VSV for pressure switching valve, or in the vapor pressure sensor itself, or when evaporative emissions leak from the components within the dotted line in Fig. 1 below.

The ECM closes the CCV and opens the VSV for pressure switching valve causing vacuum to increase in the entire EVAP system. The ECM continues to operate the VSV for EVAP until the vacuum is increased to a specified point at which time the ECM closes the VSV for EVAP. If the vacuum did not increase, or if the vacuum increased beyond the specified limit, the ECM judges the VSV for EVAP and related components to be faulty.
Read more: http://engine-codes.com/p0441_mitsubishi.html#ixzz26BwvoUBv

Sep 11, 2012 | 2001 Mitsubishi Montero Sport 4WD

1 Answer

CODE PO441 DODGE INTRAPID 2002 EREPAIR


Here is the definition of the code.
Possible causes are a defective gas cap or a leak in the vent system.

P0441 DODGE Description The vapor pressure sensor, Voltage Solenoide Valve (VSV) for EVAP, Voltage Solenoide Valve (VSV) for canister closed valve (CCV) and Valve Solenoide Valve (VSV) for pressure switching valve are used to detect abnormalities in the evaporative emission control system. The ECM decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal. Diagnostic Trouble Code (DTC) P0441 is recorded by the ECM when there is a malfunction in either the VSV for EVAP, the VSV for pressure switching valve, or in the vapor pressure sensor itself, or when evaporative emissions leak from the components within the dotted line in Fig. 1 below.

The ECM closes the CCV and opens the VSV for pressure switching valve causing vacuum to increase in the entire EVAP system. The ECM continues to operate the VSV for EVAP until the vacuum is increased to a specified point at which time the ECM closes the VSV for EVAP. If the vacuum did not increase, or if the vacuum increased beyond the specified limit, the ECM judges the VSV for EVAP and related components to be faulty.
Read more: http://engine-codes.com/p0441_dodge.html#ixzz242qD9pXO

Aug 19, 2012 | 1997 Toyota Camry

1 Answer

My 2004 Mazda 3 GT 2.3L is getting a P0446 DTC and is burning through a tank of gas in about 2-3 days depending on the amount of driving being done. My Mazda dealer believes that it may be the fuel pump,...


P0446- Evaporative Emissions Control System Vent Control Circuit Malfunction

Possible Causes:
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve

Code is detected when VSV for pressure switching valve is ON, ECM judges that there is no continuity between vapor pressure sensor, fuel tank and charcoal canister (2 trip detection logic)

The vapor pressure sensor, Voltage Solenoide Valve (VSV) for EVAP, Voltage Solenoide Valve (VSV) for canister closed valve (CCV) and Valve Solenoide Valve (VSV) for pressure switching valve are used to detect abnormalities in the evaporative emission control system.

The ECM decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal.

Diagnostic Trouble Code (DTC) P0446 is recorded by the ECM when there is a malfunction in either the VSV for EVAP, the VSV for pressure switching valve, or in the vapor pressure sensor itself, or when evaporative emissions leak from the components within the dotted line in Fig. 1 below.
evaporative_evap_system_toyota.gif
The ECM closes the CCV and opens the VSV for pressure switching valve causing vacuum to increase in the entire EVAP system.

The ECM continues to operate the VSV for EVAP until the vacuum is increased to a specified point at which time the ECM closes the VSV for EVAP.

If the vacuum did not increase, or if the vacuum increased beyond the specified limit, the ECM judges the VSV for EVAP and related components to be faulty.

Aug 26, 2011 | Mazda MAZDA3 Cars & Trucks

1 Answer

FORD WINDSTAR 1996 FAILED AIR CARE IN HC EMISSIONS AND NOx EMMISIONS


before you go buying a cat converter, check these Misfire condition
Malfunctioning or improperly adjusted EGR valve
Failed oxygen sensor
Leak in exhaust tubing upstream of converter
Excessive carbon deposits in combustion chamber
Improper spark advance
Blocked coolant passage
Overly lean air-fuel mixture
Damaged cold air duct
Failed or malfunctioning catalytic converter
Corroded or damaged engine sensor electrical connections
these items lead to a catalytic converter going bad, and will also make the test fail

Jul 19, 2011 | Ford Windstar Cars & Trucks

4 Answers

My check engine light come up w/ all these code P0305,P0440,P0441,P0446 what's wrong Thanks


po305 is related to missfire on #5 cylinder
po440 is related to fuel tank pressure
pO441 is for evaporator purge flow malfunction
po446 relates to vent control valve electrical circuit malfunction

missfire is seperate from the other codes
as for the other three codes replace the vent control valve solenoid located near the charcoal canister the oth3er codes can relate to a faulty solenoid

after replacing light will only go out if you clear through a scan tool or three drive cycles of over 10 min each

Jan 10, 2011 | 2000 Lexus RX 300

1 Answer

2002 chevy blazer codes 443 449 i replaced the maf sensor the vaf sensor on air horn the emmision valve on the engine the vent valve to even tried the gas cap clear codes drove the truck guess what codes...


p0443 is evaporative emission control system, purge control curcuit malfunction, p0449 is emission control system, vent control curcuit malfunction. p0449 is often a filler cap problem on fuel tank. try tightening cap

May 20, 2010 | 2002 Chevrolet Blazer

3 Answers

Code 449? what is this,anyone. tks


Code po449 is for bad  solenoid vent valve.After replacing the valve  check for the   12 volts at the "pink" wire.
This error relates too 

The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Definition:
EVAP (Evaporative Emission System) purge/vent solenoid circuit condition

Explanation:
The solenoids and system wiring are monitored for opens or shorts

Probable Causes
1- Purge or vent solenoids defective.
2- Check connector and wiring.
3- Fuel saturated vapor canister.
4- Failed EVAP vent solenoid.


 --------

The cost of the vent solenoid valve is near to 30 bucks. And the valve is located near the gas tank.

Thanks. you can rate this solution and show your appreciation.

May 20, 2010 | 2005 Chevrolet Silverado

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