Aug 18, 2002 · Got a weird one for you guys, b/c I've done all the basics and there's nothing like this in the archives (I searched!)Engine throws a code P0304 -cylinder 4 misfire. Idles horrible, but engine …

Oct 3, 2012 · I got the codes read and i got p0300, p0301, p0302, p0303, and p0304 codes. Shows that i have random misfires in all 4 cylinders. I got new plugs wires and coil already and that didnt help. …

May 1, 2006 · Hey everybody i have searched for this topic over and over and nobody has had it happen to them once it was resolved, well i changed my egr valve about two weeks ago because before then …

Aug 2, 2025 · Hey guys, I’ve got an odd misfire P0304 that only happens on the switch from closed to open loop at idle after getting to operating temp. I’ve already ran through the list of normal misfire …

Mar 21, 2004 · ok, 84K miles and check engine light never came on, and now i just finished all kinds of maintenance and the check engine light comes on. i recently cleaned the throttle body and the dealer …

Jan 2, 2018 · 95 Eagle Talon TSi AWD Went and got my check engine light checked and it came up with these codes can someone help. I’ve attached a picture of the paper they gave me P0304: cylinder …

Jul 28, 2011 · 420A 2gNT Random misfire codes p0300, p0301, p0302, p0303, and p0304 Ukraine Oct 16, 2012 Maintenance & Repairs Replies 1 Views 1K Oct 17, 2012

Replies 1 Views 567 Sep 8, 2003 Devicex P0304 misfire - cylinder 4, and it's not plugs/wires/bad injector ez@2gnt Jun 24, 2006 Bolt-on Tech Replies 9 Views 54K Jun 26, 2006

May 1, 2009 · oh @ 200, my bad. just finished reading to check fuel injectors. when I pulled the #4 plug its kinda damp like maybe the injectors stuck open. so I'll swap it with another cylinder & see if it …

Jan 24, 2008 · It came back with three codes: P0304: Cylinder 4 Misfire Detected P0134: o2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1) P0135: o2 Sensor Heater Circuit Malfunction (Bank …