Hey guys i am new just looking for some information.
I am running a 90 crx si with a d16y8, its boosted. I finally got it on the road this year and yes have had alot of problems but thought i had them all worked out. Till the other day me and the gf broke up so i was out boosting around when **** there is the check engine light. So i bring it home and run the code and it comes up heated o2. So the onlt thing is i am running an inovative wide band lc1. The last 2 times my o2 went my little light flaseds a code but this time it says it is fine. Another problem is i don;t have the gauge and don;t have a lap top witha cerial port so i can;t actually see what my air fuel is. So my question is i have a chipped p28 with chrome and i was wondering would my chipped ecu throw a bad code becasue its chipped or is it totally unrelated.
thanks guys i have no money so i really don't want to buy another o2 lol . just want to make sure that that is what it is.

 

It won't throw an o2 code because it is chipped, that is for sure. I would say your WB o2 sensor just died, or the innovate came unplugged or the wiring job on it failed.

I would bet money that the wiring job is the issue and something came loose.

as a final note, you can buy usb to serial port converters for your laptop from newegg.com for like $15. I know because i have 2 of them, one for datalogging the ecu and one for datalogging my lm-1. The LC-1 won't just loose its setting though, and neither will the p28. If something went wrong with the ecu, you would see a solid cell, and not blinking of the CEL.

go through the wiring on the lc, and i bet you will find the problem.

 

The wideband sensors go out pretty easy.. I had one go bad before having my car tuned..

 

they do, and they need to be powered all the time, so if one of the power wires came loose then you insta-nuke the sensor.