Recent content by DMC88

Thanks guys...

If I could have started a new thread I would have, but I dont have enough posts so it wouldn't let me

I was wondering if it was possible to have a bad cat with no p0403 code or any code that indicates a bad cat. I've been throwing p0171 and p0306 for about a month and haven't been able to fix it. I put new denso af and o2 sensors in about 7 months ago, a new denso maf sensor in last weekend, new...