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Discussion Starter · #1 ·
Just got my 2015 HLE back from the dealership after a complete motor rebuild. That's another story for another thread. Connecting rod bearing failed. Just driving around the house to break it in and am getting chk engine. 520209. Does anybody know what this code means? I saw a thread that mentioned Oxygen sensor heater 1 error.. I'm reluctant to take it back to the dealership as they had it for more than 2 months for the motor warranty. I checked the sensor wires and they seem OK.. It seems to be running fine.. Any help is appreciated..
 

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Discussion Starter · #2 ·
In reading the service manual, it seems that this uses a 4 wire heated sensor. I guess I'll ohm out and measure voltages and post what I find.
 

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Discussion Starter · #4 ·
Thanks SickPuppy. It's intermittent.. Hopefully it will survive this weekend's trip and I'll take it back to the idiots at the dealership.. Maybe they'll take less than 2 months this time.
 

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Discussion Starter · #5 ·
Rode all weekend.. It comes on and goes away. No effect on performance. I'll take it to the dealership next week.
 
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