Everything We Learned After Tearing Apart Our Subaru Wrx Engine My 2018 sti is for lack of better wording, dying a slow death. it's a stock motor with 28000 miles and i went stage 2 at approximately 25000 miles. im running quality parts, installed by a reputable tuner. i'll list them below, and all parts were purchased new. accessport, ngk spark plugs, aem fuel pump, 1050x injectors, cobb intake with box. Dgm. 13 wrx misfire issue strange fix. so in my 13 for the past month or so i have had a rough idle misfire like issue. the weird thing about it was that it didn't happen all the time. it stopped doing it for awhile until this past saturday when the engine light came on for a p0300. i cleared the code since the dealer was closed and drove.
Cody B S 2002 Impreza Wrx Sti Sti Swapped Bugeye Subiefest California In my quest for possible causes of my p0302 misfire in cylinder 2 code, i've found there could be several possibilities. for some it seems as simple as bad spark plugs, some it was a dirty bad injector, some it was a coil and some it was a cracked ringland. and i've read quite a few that tried everything under the sun, and still never fixed it. P0302 trouble code causes: subaru wrx. there are quite a few things that can cause the p0302 trouble code to trigger in the subaru wrx. here are the most common problems that may cause misfiring. they are presented somewhat in order from most to least likely to be causing p0302: the spark plug to the left was bad enough to cause a bad backfire. 30 posts · joined 2013. #1 · oct 8, 2013. so in my 13 for the past month or so i have had a rough idle misfire like issue. the weird thing about it was that it didn't happen all the time. it stopped doing it for awhile until this past saturday when the engine light came on for a p0300. i cleared the code since the dealer was closed and drove. If your subaru wrx has the p0304 trouble code, you should know that it’s about as common of a code as there is. it’s a generic obd iicode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. p0304 is a drivability concern and should be dealt with right awa y. if it’s bad enough to cause your wrx.
2002 Overheating Electrical Misfiring Problems New Engine Subaru 30 posts · joined 2013. #1 · oct 8, 2013. so in my 13 for the past month or so i have had a rough idle misfire like issue. the weird thing about it was that it didn't happen all the time. it stopped doing it for awhile until this past saturday when the engine light came on for a p0300. i cleared the code since the dealer was closed and drove. If your subaru wrx has the p0304 trouble code, you should know that it’s about as common of a code as there is. it’s a generic obd iicode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. p0304 is a drivability concern and should be dealt with right awa y. if it’s bad enough to cause your wrx. I've since replaced the knock sensor but when i went to clear the code there was a second code; p0304 misfire cylinder 4. wires look great (oem subaru) and i believe they were changed at 60k but just to double check, i swapped the cylinder 4 wire with cyl. 2 and cleared the code. code came back about 5 miles later as cyl 4 misfire (p0304). That, or you could have a coil pack starting to fail. intermittent missing is seldom valve condition lash. if it were lash, it would miss continuously when it was in the temp range that caused the miss. if a valve was damaged, you would have low power all the time. plugs or coil it where i am betting your problem is.
Opinion The Subaru Wrx Sti S Demise Proves The Petrol Performance Car I've since replaced the knock sensor but when i went to clear the code there was a second code; p0304 misfire cylinder 4. wires look great (oem subaru) and i believe they were changed at 60k but just to double check, i swapped the cylinder 4 wire with cyl. 2 and cleared the code. code came back about 5 miles later as cyl 4 misfire (p0304). That, or you could have a coil pack starting to fail. intermittent missing is seldom valve condition lash. if it were lash, it would miss continuously when it was in the temp range that caused the miss. if a valve was damaged, you would have low power all the time. plugs or coil it where i am betting your problem is.
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