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Old 05-01-2019, 12:09 PM   #5
Yodes
Scooby Newbie
 
Member#: 478591
Join Date: Dec 2017
Location: Ontario
Vehicle:
02 WRX
Sedona Red pearl

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" Oxygen sensor had a rip on the signal wire, I rewired it and the CEL for that code and the rough idle disappeared. MAF was also changed for precautionary purposes."

if you had to rewire other sensors I imagine you would fray a coil pack connection with little effort. i did this in november and chased a ground wire back to the ecu that was dickered replaced my number 4 plug connection and haven't had a problem since. also need to remember the wiring harness on bug eyes are 17-18 years old at this point. heck even just replacing the insulation around the wiring could help you out.
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