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Old 07-27-2020, 12:22 AM   #1
kinginfamous5
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Camshaft

Hey everyone, 2013 FRS Im ready to throw this car away. I started to get the coil pack issues, specifically with coil number 3. The Subaru Service Bulletin said to replace the wiring harness and coil packs to 2015 harness. I read a lot of people had great results with just repining the harness with 2015 connectors, I went that route. Took off the harness and repined the 4 coil connectors. Reinstalled everything and the car idled great. I let it idle for about 30 minutes to make sure it was fine before I drive it. Well after 30 minutes CEL came on. Scanned it and now P0390 & P0391 comes up, cleared it to see if it was a fluke and popped up immediately. Swapped sensors to see if the problem moved but no, stayed in the same bank and sensor. So I spliced in about a foot of new wires and a new connector. Still the same thing.
Any ideas?
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Old 07-27-2020, 04:09 PM   #2
humfrz
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Bad spark plug? -
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Old 07-27-2020, 04:33 PM   #3
kinginfamous5
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Quote:
Originally Posted by humfrz View Post
Bad spark plug? -
Thanks for your reply. Spark plugs are a month old.
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Old 07-27-2020, 04:39 PM   #4
humfrz
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I can't tell from your reply, did you get new (or at least switch coil packs)?
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Old 07-27-2020, 04:41 PM   #5
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Quote:
Originally Posted by humfrz View Post
I can't tell from your reply, did you get new (or at least switch coil packs)?
The coil pack issues are gone now. Now its the P0390 and P0391 Camshaft sensor.

Last edited by kinginfamous5; 07-27-2020 at 05:30 PM.
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