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What is a code PO 455 - Cars & Trucks

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Here's a link to your code and what's wrong. p0455 chevy Google Search

Posted on Apr 26, 2015

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Posted on Jan 02, 2017

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How do I clear the code PO455 after the repair?


You would need a scanner or code reader to erase the code.
Keep in mind code 455 is for a large leak so it could be something other than the gas cap.

Oct 09, 2015 | 2006 Hummer H2

1 Answer

P o 455 CODE


PO 455 -- is a Gross Evap System Leak

A gas cap is a small leak

Need a repair shop to diagnose

Mar 27, 2013 | Cars & Trucks

1 Answer

Code p0455


PO 455 --Evap System Leak Detected (Gross Leak)

Have it scanned & smoke tested to find leak

You can Google any OBD2 Code & read up
on problems ,solution, anything auto related,
as well as on You Tube Video

Mar 07, 2013 | Chrysler Town & Country Cars & Trucks

1 Answer

Evaporation emission code p0455 misfire code p0301


PO-455 EVAP SYSTEM (GROSS LEAK)

PO --301 Cylinder #1 Misfire

Two separate problems to work on.

You will need help on those at a
repair shop

Do not let them do anything but
diagnose & repair those issues
only

Don't go down the silly tune-up road
Not necessary

Jun 09, 2011 | 2007 GMC Envoy Denali

1 Answer

PO 455 and PO 128 codes. What is wrong with my truck?


P0455 is indicating a leak in the Evaporative Emissions system, a common reason for this is a loose gas cap.
P0128 is indicating that the engine is not coming up to operating temperature, a common reason for this is a stuck open thermostat.

Oct 12, 2010 | 2004 GMC Envoy

1 Answer

Code po 455 and code po 307


P0455: EVAP- no purge flow or large leak. Check for leaks in the evaporative purge system.
P0307: #7 cylinder misfire. Check spark plug and wire.

Aug 23, 2010 | 2000 Ford Explorer

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

1 Answer

I have a 2001 nissan sentra xe and my check engine light is on i had a diagnostic test and the codes PO 455 and PO 0440 came back what does this mean?


PO 455- Evaporative emission control System leak detected (check exhaust system, egr valve, or entire intake and exhaust system)


PO440- Evaporative Emission System Malfunction (also check oxygen sensor)

Jul 13, 2009 | 2001 Nissan Sentra

1 Answer

CODE PO455


evap leak....... small could by a gas cap or the evap pump

Nov 10, 2008 | 2001 Dodge Ram 1500 Truck 2WD

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