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...no check engine light lighting up but techstream software reveals a p0304 code. As we know this is a cylinder 4 misfire moving the coil pack...
...to the shop the next day I got to check engine light with a code P0304 misfire on cylinder 4. I thought maybe there was something loose maybe a...
...years ago. Plugged it in and ran the test and came back with Code P0304 4Cylinder misfire. So of course I started doing more research and found...
...disappears. When the body shake occures MIL comes blinking and DTC P0304 comes but not always, but the shake is only when the coolant is hot....
...engine light appeared so I went to the Autozone and extracted code P0304 - replace ignition coil on cylinder 4. Spark plugs were replaced at...
...less than a year old. Now we're getting again the codes. P0302 P0304 and P0300 random missfire. Runs like it's gonna blow up crazy shaking at...
...has any idea. In the last couple of weeks, I've begun throwing a P0304 intermittently about every 80-160 miles (so once every day or two,...
...loud and shaky. While Getting it onto the tow truck, it threw a P0304 misfire in cylinder 4 code. Had the car towed to the dealer, (other...
...and engine coil on all (4) cylinders no change to vibration Code is P0304 - however the vibration was occurring long before Code showed up....
2010 Prius; Whole-vehicle shudder, P0304, seems unrelated | PriusChat
2010+ Toyota Prius P0301, P0302, P0303, P0304, P0401, cold soak rattle noise (FINAL UPDATE)
...is the 2nd time I'm hearing this issue. This was the first time: P0304 MISFIRE ON CYLINDER 4 | PriusChat Incidentally, both those affected...
...thought I'd include them. Gonna test the battery and alternator to see how those are holding up p0302 p0300 p0304 p0302 p0300 p0302 p0304 c1241
Ok, so my 2011 with 209k started acting like the EGR was clogged but no EGR codes. I followed advice from this chat and paid Toyota $177 to...
=97"]https://priuschat.com/search/229644728/?q=p0304&o=relevance&c[node]=97 I'm a little worried about the grease monkeys you have working on...
**UPDATE** Re-checked the codes and now P0304 shows up. I also forgot to mention that I replaced the spark plugs when doing the gaskets. I'm about...
...and the weird corporate actions they've observed... 2010+ Toyota Prius P0301, P0302, P0303, P0304, P0401, cold soak rattle noise (FINAL UPDATE)
Have rough starts with P0303 and P0304 misfires. Replaced plugs and coil packs. No difference. Replaced fuel injectors, no difference. What next...
Thanks for your replies. As soon as I plugged in the MAF it ran like normal. I initially had the P0304 but it went away after I changed the plugs.
P0304 was the code that it threw FWIW. After I got this issue sorted out curious what others here have paid to have the EGR etc. cleaned...
