So, I just recently purchased this stang. A couple of weeks ago, it threw a CEL I think because I filled up with 93. I had the codes read and it said:
P0506 Idle lower than expected
P0420 Catalyst System Bank Efficiency below Threshold - Bank No 1.
P0430 Catalyst System Bank Efficiency below Threshold - Bank No 2.
So I cleared the codes and they did not come back for a while, I attributed it to the gas. From what I have read, stock tune should run 93 w/no problems...The other day they came back. Now....
Sometimes when i am stopped it will stall several times in a row and I have to hold on the gas to keep it started. Then other times it will run fine. I have been noticing the smell of gas at idle times (running rich?).
So today I was driving along, and I made the shift from 2-3. After I depressed the clutch, the engine started revving itself. Oddly enough, my foot was not on the gas, cruise nothing was on. I put it into gear and let the clutch out and it drove itself. Very odd and scary, felt like the gas pedal was stuck, but it wasn't. After a minute or two it stopped.
Any ideas?
P0506 Idle lower than expected
P0420 Catalyst System Bank Efficiency below Threshold - Bank No 1.
P0430 Catalyst System Bank Efficiency below Threshold - Bank No 2.
So I cleared the codes and they did not come back for a while, I attributed it to the gas. From what I have read, stock tune should run 93 w/no problems...The other day they came back. Now....
Sometimes when i am stopped it will stall several times in a row and I have to hold on the gas to keep it started. Then other times it will run fine. I have been noticing the smell of gas at idle times (running rich?).
So today I was driving along, and I made the shift from 2-3. After I depressed the clutch, the engine started revving itself. Oddly enough, my foot was not on the gas, cruise nothing was on. I put it into gear and let the clutch out and it drove itself. Very odd and scary, felt like the gas pedal was stuck, but it wasn't. After a minute or two it stopped.
Any ideas?