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P0304 Diagnostic Trouble Code Discussion for July 2023

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2003 Lexus LS430 4.3L Misfire, MIL Lamp on VIN: JTHBN30F13
P0304: Cylinder 4 Misfire Detected. This one is a mystery. Vehicle came in a month ago for overheating, a radiator hose burst and it puked the coolant out and blew a headgasket. We did headgaskets about a month ago, used all toyota parts, aisin timing belt kit. Had heads crack and pressure t...
July 20, 2023
2003 Lexus LS430 4.3L Misfire, MIL Lamp on VIN: JTHBN30F13
P0304: Cylinder 4 Misfire Detected. This one is a mystery. Vehicle came in a month ago for overheating, a radiator hose burst and it puked the coolant out and blew a headgasket. We did headgaskets about a month ago, used all toyota parts, aisin timing belt kit. Had heads crack and pressure t...
July 21, 2023