Orboro

I was driving home from the park last night when suddenly the dash lit up like a Christmas tree and my screen changed to the dreaded "Check VSC" message. I researched this here as soon as I got home and quickly discovered that message comes on for half a dozen different problems at least and does not narrow down the problem in any way, so first thing this morning I went to get the code checked: Two instances of P0137 - O2 Circuit Low Voltage (Bank 1, Sensor 2). I haven't researched this specific code yet (I'm sorry).. I just wanted to ask if anyone had any input on this directly as I was told my car has PPE headers installed along with some kind of device that is supposed to get rid of the check engine light that they can cause.. I know nothing about what that is so I wasn't sure if it was related to that in some way. If not, any other ideas on what to check are welcome. The only thing I did out of the ordinary yesterday was briefly drive on a gravel parking lot (maybe loose connector?) and I recall driving with both seat warmers on and my possibly malfunctioning phone charger plugged into the cigarette lighter when it happened (maybe that did something to the voltage?)

Jmt1011

The 02 conditioner is probably bad. This is what prevents the CEL from coming on with the headers installed. You can order a new conditioner from PPE. Or better yet, you can get the Tune from Rafi at RR-Racing and not worry about it again, plus more power!

2URGSE

+1, or the wires are twisted.

Need to get the car on the lift and check.

MileHIFcar

+1 for get the RR tune and not having to worry about a CEL caused by a bad O2 conditioner/sim

Orboro

I'd like to do that upgrade at some point, but I don't have 800 bucks laying around to spare at the moment haha. I was holding out hope for some kinda Black Friday/Cyber Monday like sale next month.

Joker4096

iTrader: (2)

check for exhaust leaks also between the header and secondary O2.

Orboro

Started up my car to drive to work this morning and all the lights were gone. I haven't touched anything on the car yet at all. Hopefully it was just a fluke?

SoulFreak

iTrader: (1)

This has happened to me before on both my ISFs. The one I previously owned and the one I have now. The only thing I can think of is what 2URGSE mentioned, check the wires .

2URGSE

Could be something that expands and contracts with heating and cooling, thus the car sitting all night cooling off.

I would check all the hardware underneath there with a flashlight.