P0455 Diagnostic Trouble Code Discussion for May 2025
EVAP System Large Leak
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| Help Request | Posted | |
| 2009 Cadillac SRX 3.6L EVAP leak VIN: 1GYEE437X9 P0455: Large EVAP leak detected. ... after driving for a week the SEL came on with code P0455. I put the smoke machine on it (connected to cannister hose at the purge solenoid) and gauge on the machine indicates a leak in the system (larger than .020 but smaller than .040). I injected sm... |
May 20, 2025 |
