There is no engine light on, I plugged a scanner into it and it said there were no codes, the live feedback while it was running said everything was ok. I can smell fuel and see black smoke out the tail pipe when I rev it, the fuel pressure is 44- 50 psi. I took off the cat but cannot look into it because of the curves in the pipe, the rear o2 sensor is white, the front o2 sensor in the exhaust manifold is black with suit. The car seems to be running rich and I suspected that was why the pipe on the rear of the cat got red hot, if the cat was plugged would the back pipe get hot? Could I have a bad o2 sensor w out a service light? When I had the cat off I tapped it on the ground and only got a little bit of gray powder.
Tuesday, August 31st, 2010 AT 3:56 PM