On my gf's car this code appears after about 15 miles.
The car starts and runs fine. Air filter is new. The plugs are the correct shade of brown, I've checked the MAF sensor which is perfectly clean and fitted new lamda sensors (2).
I drove it about 20 miles and engine light did not come on. When gf drives it light comes on after about 15 miles.
Previous owner used it for short journeys. GF just bought it.
I'll take the engine round to 4000-5000 rpm, gf probably 2500 max.
Cat partially blocked?
Will Italian tune-up clear the problem? Or is new cat required?
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