i got a P0455 Evaporative Emission Control System leak detected (gross leak)
can anyone help me out
DTC P0455 Evaporative emission control system leak detected (blockage or large leak)
DETECTION CONDITION
PCM measures the fuel tank pressure (ftp1), which is the vacuum when a specified period has passed after
the tank pressure has reached the preprogrammed target pressure and purge control valve has been
closed when monitoring conditions are met. If fuel tank pressure is above threshold, PCM determines that
the EVAP system is blocked or has a large leak.
THRESHOLD VALUE
Fuel tank pressure (ftp1): 1.31.95 kPa {9.7614.65 mmHg, 0.380.58 inHg}
Threshold valve varies depends on ECT at engine start BARO.
MONITORING CONDITIONS
Fuel tank pressure (ftp 1):above 3.92 kPa {29.42 mmHg, 1.16 inHg}
PCM monitors EVAP system when driving under following conditions:
Remaining fuel: 3585%
ECT at engine start: 1035 C {14.095.0 F}
Atmospheric pressure: above 69.7 kPa {523 mmHg, 20.5 inHg}
Vehicle speed: 39.5120.3 km/h {24.574.7 mph}
Engine speed: 1,0004,000 rpm
Calculated load: 965%
Throttle opening angle: 3.112.5%
IAT during monitor: 1060 C {14140 F}
Diagnostic support note
This is an intermittent monitor (Evaporative leak monitor).
MIL illuminates if PCM detects the above malfunction condition in two consecutive drive cycles.
DIAGNOSTIC MONITORING TEST RESULTS and PENDING CODE are available if PCM detects the
above malfunction condition during first drive cycle.
FREEZE FRAME DATA is available.
DTC is stored in PCM memory.
POSSIBLE CAUSE
Purge solenoid valve malfunction
Canister drain cut valve (CDCV) malfunction
Loose, missing or defective fuel filler cap
Charcoal canister malfunction
Catch tank malfunction
Check valve malfunction
Rollover valve malfunction
Cracked fuel tank
Fuel tank component parts poorly installed
EVAP hose damaged or loose
Fuel tank pressure sensor malfunction
