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Old 02-04-2013, 12:05 PM   #1
emericareaper2
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Default 03 WRX wont start after sparkplug change

Alright here's my story & it's going to be long. 03 WRX on Stg 2 93 oct. The car was running good. Then when I went to drive it, got a CEL p302 misfire in cyl. 2. Happened yesterday. Today, I decided to change the spark plugs. I started on the passenger side, took the olds out, put in the new ones. The olds looked pretty bad. I plugged everything back in (MAF, tubes, intake). Then did the driver side. The back one was black but the front wasn't too bad. Replaced them, put the coilpacks back on & hooked everything back up. Tried to start it but it sounded like a bad misfire. I read to see if there was a code on my AP but got nothing. So I re-did all the coilpacks to make sure they were in right, did the same thing again. Is there something I'm missing? Something not connected? What's going on....
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Old 02-04-2013, 12:10 PM   #2
Chaz2.5
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When you put the plug wires back on did they "snap" in place?
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Old 02-04-2013, 12:14 PM   #3
emericareaper2
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Quote:
Originally Posted by Chaz2.5 View Post
When you put the plug wires back on did they "snap" in place?
Well, that might be the problem, not sure. My dad & I are doing this & he said it just didn't feel like they were going into place right. Solutions?
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Old 02-04-2013, 12:27 PM   #4
bushflyr
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Put them back in place "right". Easy.
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Old 02-04-2013, 12:33 PM   #5
emericareaper2
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Originally Posted by bushflyr View Post
Put them back in place "right". Easy.
They are in the right place. White part on the pack in front, black in the back. You can't swap them around anyway has they bolt for the coilpack is different from the front & back. Do you think somethings wrong with my sparkplug? Now this may sound dumb but I gaped them to .30. They are NGK Premiums.
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Old 02-04-2013, 12:42 PM   #6
HinshawWRX
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You can swap the coil packs. Not that that has anything to do with it. It sounds like you didn't properly seat them on the plug.
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Old 02-04-2013, 01:40 PM   #7
emericareaper2
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Coilpacks were on wrong on the passenger side. Got the car started BUT still runs kinda crappy. Not as crappy but it's still kinda misfired at idle. We replaced the fuel filter, everythings plugged in, I reset the ecu but it's still doing it. Were going to take it to our local auto place to see what they can find out. I didn't want to but I can't find out whats wrong.
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Old 02-05-2013, 01:49 PM   #8
emericareaper2
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So the car still misfires. We double checked to see if everything is plugged in. We think it's a coilpack but aren't completely sure. I'm getting a P3020 & P3040. What do you guys think it is?
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Old 02-05-2013, 08:40 PM   #9
HinshawWRX
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I think you should read the codes again because 3020 and 3040 are not used.
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Old 02-05-2013, 08:51 PM   #10
quazimoto
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Old 02-12-2013, 07:48 AM   #11
emericareaper2
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Pulled the engine yesterday. Turns out.....I apparently had a leak in my manifold. Since it's been so cold, it let cold air suck into my valves & ruined them. thankfully I know a really good guy that can do it for me for pretty cheap. But still, sucks....
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