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P0449 how can i fix the problem on a 2006 z71 suburban

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Posted on Jan 02, 2017

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SOURCE: Have 2006 Suburban flex fuel with error code P0449

the evaperative coil is malfuntioning, the code reads Evaporative Emission System Vent Valve/Solenoid Circuit check the canister thats black see if the cap has came off or the solenoid is dirty if so use berry-mans carb cleaner to clean it soft with a tooth brush also check to see if canister is cracked if it has a vachum leak it will cause the same problem, it could be a cracked hose at the device or the fuel tank.

Posted on Jun 19, 2009

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autotherapis
  • 501 Answers

SOURCE: 2006 Suburban-

It may need a gas cap, and if you do make sure you get it from the dealer. Not all caps sold on the aftermarket are right for your truck. The code that sets is "evap small leak detected" and while the cap is the most common cause on newer cars, all it takes is a tiny crack in a hose to let the air into the closed system. Replacing a 4 year old cap is the easiest, but if it comes back you will need to find a shop that has a smoke machine. There is a port on the system you hook up to and pumps smoke at very low pressure into the closed system and you follow all the lines until you see smoke coming out of the leak. It is work the cost to have it diagnosed because you cannot find the leak with out the machine and the repair is generally nominal in cost. In most states it will not pass inspection with this light on.

Hope this helps
Rich

Posted on Aug 20, 2009

  • 1596 Answers

SOURCE: I HAVEA 2006 CHEVERLET SUBURBAN 1500, AND THE

DTC P0449

CIRCUIT DESCRIPTION
A battery positive is supplied to the evaporative emission (EVAP) canister vent solenoid valve. The control module grounds the EVAP canister vent solenoid valve control circuit to close the valve by means of an internal switch called a driver. The scan tool displays the commanded state of the EVAP canister vent solenoid valve as ON or OFF. The control module monitors the status of the driver. If the control module detects an incorrect voltage for the commanded state of the driver, this DTC sets.
This Canister Normaly Sits Hidden Underhood on Rt or LFT sidr at Front under fender with 3-4 Hoses going to it and the Solinoid talked about is on TOP of Canister or Close By

Posted on Apr 08, 2010

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What are the probable causes of DTC P0449?


P0449 - OBD-Codes.com

www.obd-codes.com/p0449
Detailed information on diagnosing and repairing a P0449 DTC code which refers ...P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit ... OBD-IITrouble Code Technical Description ... 2004 Chevrolet Tahoe 4.8L p0449

EVAP Code P0449 - YouTube

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Jan 07, 2016 | 2004 Chevrolet Chevrolet Impala

1 Answer

2008 suburban i have code p0449 i change evap solenoid,purge valve and pressure sensor on gas tank im still geting same code


sad to say that you miss on what you did, dtc P0449 was related to vent solenoid contol circuit, purge problem indicates P0443,, check the vent valve connectors supply voltage from the power distribution box, (fuse # 14-tcm/batt) and the other wire(almost white) to ecm C1 #61.

Nov 09, 2010 | GMC Suburban Cars & Trucks

2 Answers

Code p0449 on 2006 silverado


P0449....Evaporative Emission Control System Vent Valve/Solenoid Circuit

Sep 20, 2010 | 2006 Chevrolet Silverado

1 Answer

P0449 code: couldn't get an inspection due to


p0449 is a EVAP code here is something to check had a few of these inspect the wiring harness coming out of the right rear floor pan area at connector The harness is located in front of the EVAP canister, and will usually show signs of wear. Make sure that you inspect all the wiring carefully and make all necessary repairs
hope this helps

Jan 17, 2010 | 2006 Chevrolet Malibu

1 Answer

2006 Suburban-''P0449' gas cap not put on right. check engine light came on. Put gas cap on right and reset switch. light went off one day and came back on. DO i need a new gas cap?


It may need a gas cap, and if you do make sure you get it from the dealer. Not all caps sold on the aftermarket are right for your truck. The code that sets is "evap small leak detected" and while the cap is the most common cause on newer cars, all it takes is a tiny crack in a hose to let the air into the closed system. Replacing a 4 year old cap is the easiest, but if it comes back you will need to find a shop that has a smoke machine. There is a port on the system you hook up to and pumps smoke at very low pressure into the closed system and you follow all the lines until you see smoke coming out of the leak. It is work the cost to have it diagnosed because you cannot find the leak with out the machine and the repair is generally nominal in cost. In most states it will not pass inspection with this light on.

Hope this helps
Rich

Aug 19, 2009 | 2006 Chevrolet Suburban

1 Answer

Have 2006 Suburban flex fuel with error code P0449 suggestions please


the evaperative coil is malfuntioning, the code reads Evaporative Emission System Vent Valve/Solenoid Circuit check the canister thats black see if the cap has came off or the solenoid is dirty if so use berry-mans carb cleaner to clean it soft with a tooth brush also check to see if canister is cracked if it has a vachum leak it will cause the same problem, it could be a cracked hose at the device or the fuel tank.

Jun 19, 2009 | 2006 Chevrolet Tahoe

2 Answers

Error code p0449


i have code reader says p0449 is evaporative emission control system - vent valve / solenoid circuit

Apr 26, 2009 | 2006 Chevrolet Tahoe

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