Originally Posted by
the 18th letter
I was getting the CEL code 41 BEFORE I took it in for the exhaust. There's the possibility that I did something when I changed the O2sensor back in May when the 41 code first started. After a month the 41 is back, same symtoms. Coasting in gear with low RPM's.
I got a good a sticker but the numbers were worse after the super and the injector cleaner. I'm in need of a timing belt so that will get done next and hope that improves the problem because I'm prolly not getting the best gas mileage right now.
the code 41 will only come on if theres a problem with the heater in the O2 sensor or if theres no power getting to the sensor with the O2 the exhaust doesn't need to be there jsut the O2 plugged in...to test unplugged O2 with a multi meter check then pins to of where the 2 black wires are (heater ) with the key in the on position 1 should have 12v on it the other goes back to the ecu if no power check fro blown fuses as the heater runs on a different fuse also how old is your cat?