Question about 2004 Nissan Titan

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Have a 2004 nissan titian 4x4 with the service light on and the problem code is po455 evaporative emission system leak detected( large leak ) what do I do to repair it ? mileage 96 473

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Almost always caused by a vacuum leak. look around engine area for broken rubber hoses. also need to get under vehicle to check lines there

Posted on May 28, 2011

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Posted on Jan 02, 2017

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How to fix obd2 trouble code P1680 on a 2004 Isuzu ascender 4.2l eng


code p 0300 refers to random/ multiple misfires detected ===causes --spark plug/s--HT lead/s--injector/s --ignition coil/s--low compression --wiring
most likely low fuel pressure and injector problems
code p 0442 refers to evaporative emission (EVAP) system ---small leak detected ===causes hose connection/s--intake leak-- EVAP canister ---EVAP canister purge valve
it also refers to --large leak detected ===causes ---petrol cap loose ,/missing---mechanical fault ---EVAP pressure sensor
code p 0455 refers to EVAP ---large leak detected --all those stated plus EVAP canister purge valve
code p1680 refers to electric throttle control (ETC) monitor ---processor fault ===causes --wiring--ECT monitor

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1 Answer

Why is my 2010 ford fusion is throwing code po455. no gas cap required


P0455 is Evaporative Emissions System Leak Detected (Large) and means that there is a large leak in the system probably with one of the EVAP hoses near the fuel tank or EVAP canister or maybe even A leaky purge valve.

May 06, 2014 | Ford Fusion Cars & Trucks

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2004 buick park avenue PO455 code


Cheap gas build -up in tank (Carbon build -up)
lose Gas cap or combination of both

Apr 07, 2013 | 2004 Buick Park Avenue

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PO455 Mazda 2007 Gross Leak / no flow


The P0455 means " Evaporative Emission System Leak Detected (large leak). You can try to clear the fault code with obd2 code scanner.

Jun 20, 2012 | 2007 Mazda 3

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What is code PO496 and PO455 for a 2007 Pontiac Grand Prix mean


P0496 is not alisted code.
P0455 - Evaporative Emission Control System Leak Detected Gross Leak (fuel vapors)
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors Possible causes - Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking

Jan 24, 2012 | 2007 Pontiac Grand Prix GXP Sedan

1 Answer

Diagnostic codes PO442, PO305 and PO455 comes up on the computer. What do these codes mean?


P0305....Cylinder 5 Misfire Detected


P0442....Evaporative Emission Control System Leak Detected (small leak)


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

Feb 11, 2011 | 2001 Dodge Caravan

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Will a faulty gas cap make the check engine light come on?


yes, it will usually set a code P0445

P0455 Evaporative emission (EVAP) system - large leak detected



Oct 24, 2010 | 2002 Pontiac Bonneville

1 Answer

Fault code po455


The OBD P0455 Code refer to Evaporative Emission (EVAP) control system gross leak detected.

its possible that you need a new Vent Vontrol Valve. The part # is 14935-am60a. It costs around $100.00

Hope help with this.

Mar 18, 2010 | 2004 Nissan Sentra

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2001 Dodge Ram 1500 4x4 engine light on and code reads P0455 could U please tell me what that means? thanks


Evaporative Emission System Leak Detected (large leak)
Is the gas cap missing or loose?

Dec 01, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Service engine soon light is on- 2003 BMW


The p0455 code means, Evaporative Emission Control System Leak Detected (no purge flow or large leak)
After you install the new gas cap, reset the code, dirve the car for a couple of days to see if the code comes back, if it comes back there might be a leak in your evap lines.


Mar 26, 2009 | 2003 BMW 5 Series

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