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Old 12-13-2009, 10:20 PM   #1
Billy Mays
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Default P0302 cel what is it?

okay i just got a ACT clutch and ACT lightweight flywheel installed while breakin it in i threw this code, i have cylinder 2, 3, and 4 misfiring. guy who installed flywheel said its just the flywheel. i have NGK iridium plugs they prolly have about 10,000 miles on them. is it just the flywheel sensor seeing the flywheel spinning too fast and saying its misfiring? help please
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Old 12-13-2009, 10:52 PM   #2
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that sounds right. the lightweight flywheel throws misfire codes.
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Old 12-14-2009, 11:45 AM   #3
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okay now today i started driving it and the car feels like it has no power at all and is literally running on random cylinders. what do i need to do here. i cant do the work but if i took it to someone what do i need to tell them to do?? someone please help! this is the only car i have and i need it working
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Old 12-14-2009, 12:30 PM   #4
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i also just recently put a atmospheric bov on it, could that be it?
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Old 12-14-2009, 12:53 PM   #5
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probably not, its the flywheel.
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Old 12-14-2009, 01:35 PM   #6
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^ ditto
As that would only give you p0301 (cyl 1)
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Old 12-14-2009, 02:27 PM   #7
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so you all are sure its the flywheel? i want to believe that but then whats the culprit for the super sucky power now? could the bov have made the plugs go foul from too much fuel?
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Old 12-14-2009, 04:35 PM   #8
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i dont know the cure for your car but i would take the bov off, that can cause you some problems and unless tuned its not good for it.
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Old 12-14-2009, 04:47 PM   #9
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the misfire code is from the flywheel, guaranteed. the bov will cause lots of other stupid problems, but not usually misfires. and no, you cant tune for a bov.

M@
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Old 12-14-2009, 09:52 PM   #10
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Do you have a pulley on the front of the motor?

How does the car run?

What gap is your plugs at? Does it buck when you hit boost 3/4 or more throttle.
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Old 12-14-2009, 09:56 PM   #11
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okay so then do you think the bov caused my plugs to foul? this all happened after i put some fresh methanol in my meth tank(50/50) my tune is the same one it has been why am i running sooo rich? subaru mech. said the flywheel prolly threw my crank weight off and said they weigh that much for a reason. so he said thats why its misfiring, a tuner told me sometimes the motor can vaccum up meth from the tank even at an idle and he said disconnect the pump. which i will do just to be safe, any other ideas? oh and btw all cylinders are misfiring now, i repulled the codes.
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Old 12-14-2009, 10:13 PM   #12
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What act flywheel exactly? street lite or pro lite. As pro lite is to lite and will throw the codes.

Street lite generally wont throw codes. As it's ike 13 pounds.
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Old 12-14-2009, 11:38 PM   #13
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pro lite its like 10 pounds
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Old 12-14-2009, 11:39 PM   #14
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if it is my flywheel thats throwing the codes, what do i do to get it to stop?
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Old 12-14-2009, 11:48 PM   #15
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replace it
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Old 12-14-2009, 11:59 PM   #16
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yup, either you replace it, change the misfire thresholds, or disable the misfire codes.
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Old 12-15-2009, 12:12 AM   #17
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well with the light flywheel, if i changed or disables those codes would my car run and drive the right way? basically with this flywheel is it realllyyy misfiring or does the car think it is, cuz if it thinks it is but really isnt and i can change the code thats what ill do.
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Old 12-15-2009, 12:33 AM   #18
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The code is basically that the sensor noticed that the crank is spinning to fast. Not that your actually misfiring, likely.

Good / bad there are plenty of threads on that.
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Old 12-15-2009, 12:46 AM   #19
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its a false code...but it sucks if you ever get a real misfire and the code is disabled
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Old 12-15-2009, 03:48 AM   #20
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true that can i disable that sensor or would i have to disable the misfire code?
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Old 12-15-2009, 10:36 AM   #21
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you disable the code in the ecu, theres no bootleg resistor-type fix for the misfire code
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Old 12-15-2009, 06:06 PM   #22
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would this be the cause of me getting like 8 miles per gallon right now as well??
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Old 12-15-2009, 07:43 PM   #23
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just put the stock flywheel back on. Subaru engineered the car with the stock flywheel for a reason.
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