Flashing Check Engine light with codes P0300, P0302, and P0303?
I have a 2004 Honda Civic with about 240k plus miles on it and just yesterday I started the car and it rumbled and after a little bit of driving the flashing check engine light came on. So the deal is like when I start it it's kinda a weak start but I mean it doesn't sound like its having trouble starting like it doesn't hesitate or anything its just weaker and it'll start rumbling. And when I'm just sitting idle my car rumbles and shakes but not too vigorously. But when I'm driving, car seems okay driving and everything seems smooth, just except for when I'm idle or when I start it. The check engine light starts flashing the moment I put my foot on the gas then it'll flash the whole drive.
The codes I got from autozone are
P0300- random cylinder misfire
P0302- cylinder 2 misfire
P0303- cylinder 3 misfire
Do you have any idea of what specifically could be the problem? I'm not a car engine kinda person so please don't tell me to check under the hood because I will not be able to tell what is going on. If you have an idea, could you tell me an average price for fixing? Please and thanks!
I don't know Hondas, specifically…
But on many cars, the coil packs serve two cylinders each. (two coil packs on a four-cylinder car, three coil packs on a six, four on an eight cylinder car)
Getting a misfire on two cylinders only makes me suspect a single coil pack failure.
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