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Code PO455 Evap systen large leak. - 2005 Saturn Relay

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This is usually caused by not tightening the gas cap all the way or the cap being faulty. If not it is usually the pcv valve.

Posted on Sep 03, 2010

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Will an intake manifold gasket leak cause a po455 trouble code


A code PO455 is an large evap system leak. That could be anything from a bad gas cap to a vacuum leak in the purge container or hoses.

Apr 09, 2017 | Cars & Trucks

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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

Sep 30, 2016 | Isuzu Cars & Trucks

1 Answer

Code po455


Code 455 means there is a large leak in the evap system. The evap system is how the computer vents the gas tank to the vapor canister. The system would need to be pressure tested.

Jul 16, 2014 | 2009 Nissan Versa

1 Answer

Dodge nitro


ok code po455 is a code for the evaporative control monitor,for this i would suggest you check the dealer because its a very large leak in the evap system,and for the po456 which is a very small leak in the evap system

Jul 15, 2014 | 2011 Dodge Nitro

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

1 Answer

Codes0441 0442 0455 0456


codes po441 po442 po455 po456. code po441 - EVAP system no flow during purge conditions.code po442 -EVAP system small leak detected conditions. code po455 - EVAP system large leak detected conditions.code po456 - EVAP system very small leak detected. possible causes loose damaged missing fuel cap.fuel tank sensor disconnected or failed. ORING on top fuel sending unit leaking.purge valve vapor line clogged disconnected or purge solenoid failed.vent solenoid not closing or has failed.

May 23, 2013 | 2002 Dodge Durango

1 Answer

Pulled a po455 code


jeep uses whats called a leak detection pump that is the most common failure in the system that i have seen in the last five yeas

Jul 07, 2012 | Jeep Grand Cherokee Cars & Trucks

1 Answer

"05 Nissan Pathfinder PO455 EVAP


If those are fuel lines then fuel would be coming out. There are lines that carry fuel vapor for the EVAP system. If these lines you are looking at are the EVAP lines (sounds like they are) then this would be the cause of the large EVAP leak.

Aug 31, 2011 | 2005 Nissan Pathfinder

3 Answers

Code PO455


P0455 evap control system leak detected. If this was at all helpful, please rate. Thanks for asking.

Jul 01, 2010 | 2002 Mitsubishi Eclipse

1 Answer

Failed Emision test


po442 is evap emission control system leak (small) 1 of the lines for emissions is leaking. po455 is-- emission control system leak (large). turn off light with code scanner after it is fixed.

Sep 01, 2009 | 2001 Dodge Caravan

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