While driving the King this morning I noticed my Svc Engine Soon light on. I pulled over and reset the Ecu by pulling the plugs out for a couple of minutes. Ok so the light went away. When I turn the engine off and start it back that stupid light comes on again. I have a couple of mods on the car basic stuff, AfcII EvcII, full hks exhaust and a Ultimate racing cat delete with the O2 bong. I need help any one with any Ideas?

 

did you play in the snow? and what do you mean by resetting the ECU by pulling the plugs out? Spark plugs?

 

I just drove in it. i baby my car in the snow. If its deep I dont drive it. The plugs out of the Ecu

 

you need to pull off the neg side of the battery to reset the ecu

 

its really hard to tell if you don't know the code. But check this thread out. it might help you.https://www.evolutionm.net/forums/sh...threadid=58631

 

Thanks I feel better. I will proably change the o2 sensor.

 

Try to retrieve the code 1st before you change anything.

 

ok

 

I bet its a cat innefficeny code. O2 bung or not it will usually throw a code. Without the CAT the rear 02 will see a different temp. than with. Hence the SES light. I used to have this problem on my WRX, but you could do a resistor mod to the 02 harness for a fix. Not sure if its possible on the EVO, but probably.

 

Yeah i had the cat delete pipe on for a couple of weeks no problem.

 

Whats the deal with driving in the snow?