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P0455 Diagnostic Trouble Code Discussion for August 2005

EVAP System Large Leak


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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
1998 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MEFM53SXW
P0455: testing and results. We keep getting code P0443 (evap system purge contorl valve fault) we have replaced purge control valve & had a new ecm installed by dealer. Check enine light keeps coming back on. we have found at pin 56 of ecm 12 volts. This should be a ground. Have call...
August 08, 2005
2002 Dodge Grand Caravan EX 3.8L MIL Lamp on VIN: 2B8GP74L12
P0455: EVAP System Large Leak (0.080") Detected. ... found p0442 and p0455. Smoked evap system and found a cracked vacuum hose at rear canister. also replaced evap purge solenoid and gas cap. minivan is back and has same codes.we checked gas cap and tested good.any help will be...
August 18, 2005
2000 Dodge Intrepid 2.7L MIL Lamp on VIN: 2B3HD46R3Y
P0455: EVAP System Large Leak Detected. Car came in with p0442 and p0455, both for evap leaks stored so far only p0442 has come back. Gas cap is tight and appears ok. No other obvious signs of leakage. Checked fix database and found certain lines to be a common problem inspected and smoked lines and...
August 22, 2005
1998 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MEFM53SXW
P0455: testing and results. We keep getting code P0443 (evap system purge contorl valve fault) we have replaced purge control valve & had a new ecm installed by dealer. Check enine light keeps coming back on. we have found at pin 56 of ecm 12 volts. This should be a ground. Have call...
August 23, 2005
2003 Dodge Ram 2500 5.7L MIL Lamp on VIN: 3D7KU28D33
P0455: evap leak. Hello all, We have a '03 HEMI 3/4 ton in the shop today. The check engine light is on for the third time. First time was code po455 evap leak. It felt like cap was loose so I tightened and cleared code. Few days later it's back on with code po452 evap leak. G...
August 24, 2005