P0455 Diagnostic Trouble Code Discussion for June 2005
EVAP System Large Leak
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| Help Request | Posted | |
| 2000 Saab 9-3 2.0L MIL Lamp on VIN: YS3DD55H7Y P0455: Large EVAP leak detected. Saab has a MIL that's on intermittently more than off. We don't have Saab Tech II software so I'm working with generic data and basic testing. We've isolated the purge and vent valves by pinching off hoses and tightness tested the vapor space to 20 in H2O. No ... |
June 07, 2005 | |
| 1998 Ford Taurus SE 3.0L MIL Lamp on, LOW FUEL PRESSURE VIN: 1FAFP52U3W P0455: evap gross leak. fuel pressure originally 29psi.(tested for injector leakdown,no leaks.tested regulator it's good)after replacing fuel pump fuel pressure is still at 29psi.gross evap leak also detected.(no signs of any obvious leaks,possibly fuel filler neck, but we don't have... |
June 15, 2005 | |
| 1998 Ford Expedition XLT 5.4L Misfire VIN: IFMPU18L3W P0455: gross evap leak detecked. vehicle came into shop with ck eng light on no driveability problems.on test drive I noticed a missfire on acceleration.figured this was reason for ck eng light.the only code was gross evap leak detected.no laek was found.installed 8 plugs and 1 bootfor the mi... |
June 26, 2005 |
