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08-04-2018, 01:13 PM | #11 |
Scooby Newbie
Member#: 454822
Join Date: Sep 2016
Chapter/Region:
NESIC
Location: Rhode Island
Vehicle:2013 WRX Hatch White |
I also have this random misfire issue in my '13 wrx. For me it happens every 400-2000 miles or so, and it's the same random misfire in different cylinders.
Soldered all the contacts in the marked areas just to be sure. There was this guppy black sticky crap that someone stupidly put in there, some kind of sealant. It was all around the wires and even looked to be possibly breaking contact inside the crimps. I cleaned them and soldered the wires correctly, sealed them too. After about 1200 miles, sure enough the check engine light popped on, with slightly rough idle, same code. I did a leak down test, then a compression test, which both seemed to be normal, with compression being even throughout the 4 cylinders. Any ideas? |
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