04 Chevy 1500 engine light
I recently just purchased a Chevy 1500 2004 5.3 L V8 it’s got around 105k miles a day or two after I bought it. The check engine light came on so the guy must’ve had cleared it before I bought it anyways I went got it put on a scanner and I’m getting a random multiple cylinder, misfire, and an evap vent solenoid valve control system code /P0300 and P0446 I changed the plugs and wires and also replaced the vapor canister vent solenoid and the light went off for the day but the next day the check engine light came back on so I went back to my mechanic and had him throw it back on the scanner and it’s throwing the same two codes P0300&P0446 was wondering if anyone else has had this problem or could give me some advice on what to check next id highly appreciate any advice thanks in advance and god bless
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