Pretty much sounds like a dead O2 sensorMy car CEL seems to come on when the car is about to switch to lean burn mode, so the ECONO light on the dash does not illuminate. Tailpipe is sooty black and fuel consumption is increased.
Ouch! This is a new O2 sensor (NTK) installed about month agoPretty much sounds like a dead O2 sensor
If it's new - then you might have an issue with the distributor/coilpacks.Ouch! This is a new O2 sensor (NTK) installed about month ago