My Bank 1 02 sensor threw a P0420 code two days ago. I changed the plugs about two weeks ago, 4 of them were original, and two of them had been replaced within the past couple of years. I've had the truck for about a year, and it now has 129k miles. One of the plugs and coils were covered in...
I will attempt to keep this novel as short as possible;
I bought the truck knowing it had issues. had a 318, 17x,xxx miles. 318 ran fine other than knocks, ticks, and oil consuming, and lean gas.(this doesn't sound fine until I explain the 360)
I had a hefty tax return so I decided to rebuild...