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What does codes P0307 and code P0449 mean on a 2007 Chevy Silverado 4x4

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I changed everything on a 2007 chevy uplander the camshaft position sensor And the purged sensor And the throttle body and It cam up a new code p0449


DTC P0449: Evaporative Emission (EVAP) Vent Solenoid Control Circuit , your vent solenoid is opened or the wiring circuit is . The vent solenoid is by the charcoal canister at the gas tank .
P0449 Battery voltage is supplied to the 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.

May 03, 2016 | Cars & Trucks

1 Answer

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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Mar 13, 2013 - Uploaded by realfixesrealfast
Here is a description and how to diagnose EVAP code P0449. ...Up next. Quick Easy Fix P0449 P0455 Evap Codes on ChevySilverado 2007 ...

Quick Easy Fix P0449 P0455 Evap Codes on Chevy ...

? 7:06
https://www.youtube.com/watch?v=aL5KmV1d26Y
Dec 27, 2013 - Uploaded by wagslick
Quick Easy Fix P0449 P0455 Evap Codes on Chevy Silverado 2007 .... Well clearing the error codes at auto store will not prevent it come ...

Solving a P0449 Engine Code on a 2008 Chevy Impala ...

pressanykey.simplyahobby.com/.../solving-a-p0449-engine-code-on-a-2...

Jan 07, 2016 | 2004 Chevrolet Chevrolet Impala

1 Answer

HOW TO REPAIR A po307 engine code on a 2007 chevy silverado


the code p0307 is a misfire code on cylinder number 7 which is the 3rd cylinder on the driver side need to check spark plug and plug wire for that cylinder as it can be anything from a sticking valve to a vacuum leak what i do to check this is remove number 5 cylinder plug and wire and install them on cylinder number 7 and put plug and wire from 7 on 5 and clear codes and drive till light comes on and see if it comes up with same code if it does you will need to check for a vacuum leak or a valve problem with cylinder 7 if it comes up with a p0305 then change the plug and wire

May 14, 2014 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

2002 Chevy Silverado 1500 emits trouble code PO449. Can someone please help?


P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction = the evap valve is not opening, it will have to be replaced.

Jun 15, 2011 | 2002 Chevrolet Silverado 1500

3 Answers

2003 Chevy Silverado 1500 Error Codes


P0135 is a bad 02 sensor
P0442 is a evap problem
P0449 is a vent solenoid

i would check the vent solenoid first its a 4ws fuse under the hood in the fuse box make sure you have power to it you should have power at all times the ground comes from the pcm i think if you fix this everything else will work they are all computer controled

Mar 23, 2009 | 2003 Chevrolet Silverado 1500

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