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Good Afternoon Everyone. I wanted to put "this" out there to see if anyone had any other ideas or have experienced similar issues. The Topic is on the Readiness Monitors for Emissions.
I have a '13 Focus ST with a catted Depo DP with a defouler on the downstream O2. Currently have an Unleashed E30 Tune on the car.
The problem - I have 2 Readiness Monitors that will not check in; 02 & 02 Heater. I am allowed only 1 monitor to not be active and still pass emissions.
What I have done (in no particular order) - Put the car back to the stock tune; put the E30 tune back on the car; replaced both the Upstream and the Downstream 02s; replaced the battery; replaced the battery monitoring sensor; I have actually unplugged both (at different times) 02 sensors to see if I would get a check engine light, and both times I did get a light (yes even with the E30 tune installed); I have an app that allows me to monitor the voltage that both 02 sensors are getting, and they are in line with what would be normal; I have no other check engine lights; I have driven the car many many many miles over many many months; plenty of warm-ups; I have also cleaned the MAF sensor...
Any thoughts on this would be appreciated. Thank you!
I have a '13 Focus ST with a catted Depo DP with a defouler on the downstream O2. Currently have an Unleashed E30 Tune on the car.
The problem - I have 2 Readiness Monitors that will not check in; 02 & 02 Heater. I am allowed only 1 monitor to not be active and still pass emissions.
What I have done (in no particular order) - Put the car back to the stock tune; put the E30 tune back on the car; replaced both the Upstream and the Downstream 02s; replaced the battery; replaced the battery monitoring sensor; I have actually unplugged both (at different times) 02 sensors to see if I would get a check engine light, and both times I did get a light (yes even with the E30 tune installed); I have an app that allows me to monitor the voltage that both 02 sensors are getting, and they are in line with what would be normal; I have no other check engine lights; I have driven the car many many many miles over many many months; plenty of warm-ups; I have also cleaned the MAF sensor...
Any thoughts on this would be appreciated. Thank you!