Скачать или смотреть Stop Guessing! This Simple Headlight Trick PROVES Your EVAP Circuit is Working (P0497/P0455 Solved)

Witness the definitive diagnostic process for stubborn EVAP leaks causing P0497 (low purge flow) and P0455 (large leak) trouble codes. The team took a deep dive, utilizing an Autel scan tool and vacuum pump to establish baseline conditions. The real revelation comes when they employ a simple headlight bulb to test the circuit's load-carrying capability, providing undeniable proof that the electrical pathway is sound, even while battling intermittent flickering. After methodical steps, including commanding the valve open and pressure testing the valve itself, the true culprit—a failing purge valve—is finally identified and confirmed. This sequence provides an excellent look at practical, real-world automotive repair when facing EVAP mysteries.
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