p0135

Couple days ago check engine appeared for the first time, I read the codes using Autel AP200 and got: P013504 -an electrical fault exists in the heater for oxygen sensor 1 (cylinder bank 1). An internal fault exists. I've done lots of reading and in the meantime ordered another sensor (bosh)...

Good day people This morning after I started my car (W203 / 2002), I got an error message that the cooling level is insufficient. I drove it for 5 Km, to out local station, and back this afternoon to home. On my way home, I checked the coolant level, and the level was on full. I drove further...