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06-19-2018, 06:42 PM | #1 |
Scooby Newbie
Member#: 314410
Join Date: Mar 2012
Chapter/Region:
NESIC
Location: Milford NH
Vehicle:2004 WRX Black |
Mystery ODBII problem!
This one has me stumped.
04 WRX with a ridiculous amount of mods (2.2 stroker motor) and a dyno tune. A pre-heater wire on my front O2 sensor got munched (my fault) and it threw a P0131 code. I had a spare O2 sensor so I swapped them. I can get readiness in all readiness monitors except the O2 sensor. (Yes, even Evap) I pulled the codes on my access-port, and it had a P0171 that was pending. At least I assume it was pending because the check engine light wasn't on and the code popped. So I re-seated everything, drove it to on my standard ODB2 readiness route (yes I have one) and I get readiness in all monitors except O2 sensor. So I ordered another sensor, installed it, same thing. No readiness in O2 sensor, no codes, no pending codes, readiness in all other sensors. I am 100% sure that all the sensors would normally have readiness by now.
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06-19-2018, 07:28 PM | #2 |
Scooby Specialist
Member#: 468117
Join Date: May 2017
Chapter/Region:
SCIC
Location: Southern Cali
Vehicle:2017 WRX DMG |
check the wiring harness?
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06-22-2018, 08:02 AM | #3 |
Scooby Newbie
Member#: 314410
Join Date: Mar 2012
Chapter/Region:
NESIC
Location: Milford NH
Vehicle:2004 WRX Black |
Problem solved. Had to drive on the highway about another 60 miles. Annoying
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