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Help..... Misfire on #6 cylinder code P0306

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Old 09-19-2006, 05:55 PM
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Help..... Misfire on #6 cylinder code P0306

So I'm on the freeway driving home from work and I feel something and then my CEL turns on and starts to blink. I goes solid, then starts to blink for a few more seconds, then goes solid. pull off at the next off-ramp and as I'm pulling into a parking lot, It is running like crap. I start to slow down and it starts lurching forward as I'm slowly pulling into a spot, then with the brakes on and at a complete stop, the thing is shaking. I check the engine bay to see if anything visable has happened, but nothing looks out of place. I decide to try to get to an Autozone and have them run the code on a OBD II. I get there and it pulls up a "#6 cylinder misfire has been detected" and P0306 as the code. I then spent the next little while changing the Ignition coils, wires, plugs, anything I could think of. One of the guys at Autozone thinks I have a bad cylinder, another thinks it's a fuel pressure/fuel pump issue. It's at the shop overnight for a compression test tommorow.

Anybody else has any thoughts on what might be going on?



As always, thanks guys-
Old 09-19-2006, 08:05 PM
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I got the same code..kinda. I had #3 missing.

I changed the wires and everything was ok. Have u rest the CEL? Just pop the negative cable of the battery off.

If its still on, compression check?

Sorry for the lack of advice
Old 09-20-2006, 04:21 AM
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You can do a compression test, but more than likely it would be a bad wire, plug or ignition coil.
Swap coils and see if it moves.....if not change the plugs and wires.
Old 09-20-2006, 04:30 AM
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Originally Posted by HOJU
I then spent the next little while changing the Ignition coils, wires, plugs, anything I could think of.

Thanks Jamie, but I already tried that. Nothing changed-

Last edited by HOJU; 09-20-2006 at 04:31 AM.
Old 09-20-2006, 04:50 AM
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Originally Posted by HOJU
Thanks Jamie, but I already tried that. Nothing changed-
I read that as you were just swapping them, my bad.
Then yes, compression test would be next.
Old 09-20-2006, 03:32 PM
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NO compression in #6 cylinder....... all I see right now is $$$$$$$$$
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