Question about 2007 Chevrolet Silverado 1500 2WD

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P0455 how to fix p o 455

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God bless you

Posted on Jul 09, 2013

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2004 jeep grand cherokee code 442/455


OBD code P0442 Small EVAP leak detected you may need to check the EVAP canister under the vehicle and the purge valve as well check for cracks on the canister or the purge valve and check all the rubber hoses connected to them foe cracks or holes. If you find any damage parts replace them. P0455 which means a large EVAP leak is sometimes referred as the gas cap leak check your gas cap and secure it tight if you still have the code change the gas cap hope this helps after you find and fix the problems get the vehicle to a shop and they will use an OBD scan tool to clear the codes.

Feb 26, 2014 | Cars & Trucks

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Code P0455


p0 (USA fed. codes)
455
Evaporative System Malfunction, Gross Leak #1 DTC of all time.......
gas cap missing ,or loose or wrong cap
or any leak in the tank vent system.
tighten cap , reset ECU, drive 20miles, still there.>>>??

Nov 26, 2013 | 2004 Acura MDX

1 Answer

I have 3 codes on my 08 impala; P0455 P0521 P1174


The 455 and 1174 are probably related to the same issue---emissions and air to fuel mixture which could be a purge valve for the evap. system and the 521 is usually a bad oil pressure sensor.

Oct 31, 2013 | 2008 Chevrolet Impala

1 Answer

I have a 1996 ford explorer and I got some codes that came up p0102 ,p1450,p0113 and p0455 how can I fix all of this ?


455 could be gas cap but could be leak in system,102 mass flow sensor,try to clean with spray like brake cleaner,113 intake air temp.1450&455 gas problem.

Apr 07, 2013 | 1996 Ford Explorer

1 Answer

Need help trouble shooting 2 codes, P0401 & P0455


Google the codes

Lots to read & study

OBD2 PO401

OBD2 PO455

Think you will a repair shop to smoke the
Evap for the 455

Feb 14, 2013 | 2000 Mercury Mountaineer

1 Answer

What are the code manings of P0455 and P0457 for a 2003 ford mustang gt?


Both codes are for major leaks in the Evap system which vents fumes from the gas tank to the engine.
Code 455 is for a major leak, and code 457 is for the gas cap which could cause 455.
The codes can set if you run the engine with the gas cap off, or there may be a problem with the cap or other component.

Aug 16, 2012 | 2003 Ford Mustang

1 Answer

2006 5.3ltr chevy silverado z71 p0455 andp0449


These codes are for the evaporative emission system.The 455 is the vent solenoid.The 455 is a large leak in the evap.system.The vent solenoid I would replace because they go bad and will not work because they are under the vehicle in the rear of the truck.There is a bulletin for these and the vent valve is installed in another spot.The number for the bulletin is 02-06-04-037E.You should also look for a broken or loose hose or pipe that might have came off.Specially if you ran over something.If none found it could just be the vent solenoid stuck in the venting position.Good luck.

Nov 30, 2009 | 2006 Chevrolet Silverado 1500 2WD

1 Answer

Eng lite stay on test show 455 424


P0424....Heated Catalyst Temperature Below Threshold (Bank 1)

P0455....Evaporative Emission Control System Leak Detected (gross leak)

I would start with clearing the codes and see if they come back. That is the first step of diagnosis.

Some Chrysler products you can clear the code by turning the ignition on and off three times and then starting the engine. If you still get the 455 you will need to find a shop that has a smoke machine to find the leak. It is very difficult to find a leak in an evap system.

Hope this helps

Aug 28, 2009 | Dodge Dakota Cars & Trucks

2 Answers

My engine light came on


Trouble Code: P0455


EVAP Large Leak Detected

Possible Causes:


EVAP purge solenoid is damaged or it has failed

Fuel tank cap is damaged, missing or the wrong part number.(Check the fuel cap). replace if not the factory type.

NVLD switch is damaged or it has failed

Jul 14, 2009 | 2000 Nissan Xterra

2 Answers

Codes 441, 446, 455 on a 2005 Camery


P0441 Evaporative Emission Control System Incorrect Purge Flow
P0446 Evaporative Emission Control System Vent Control Circuit Malfunction
P0455 Evaporative Emission Control System Leak Detected (Gross Leak)
http://www.toyotanation.com/forum/showthread.php?t=128923

Jun 04, 2009 | 2004 Lexus LS 430

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