emissions

I am looking into buying a mazda 3 for my college age daughter. One in particular is a 2012 6 speed with 99k miles and the 2.0 skyactive engine. A background check showed a failed emissions in April. The seller claims "It failed the first exhaust inspection and they said it was because they...

So I've been getting this code (P0171 - bank 1 running lean) intermittently since the spring. The light will come on and then turn off 2 or 3 days later and stay off for around a week before it pops up again. When it first appeared, my mechanic ran a smoke test and I don't have any vacuum...

I have an automatic/tap shift with several new parts that have been replaced in the car, including the engine, but things just aren't completely running properly yet. The car starts, but only when I put the car in neutral. Once the car has started the rpms rev up and down and fluctuate pretty...

I've been having problems trying to get my car to pass emissions. I'm not pulling and codes or anything. It's just that I'm failing the readiness check. I've been reading about the proper Mazda drive cycle that follows: 1) Start vehicle and idle 5 min. 2) Rev engine in neutral or park to...

I have a 2006 Mazda 3. I took it in today for my 60,000 mile checkup. They said the front brakes needed work (at 30k, 4 years ago, they said back brakes needed work), so I agreed to it ($310). They said the #3 engine mount had broken, so I agreed to that ($313). But then they said I needed an...

SO hello this is my first post i live in north carolina and the emmisions here are lax but im moving to california soo and i own a mazda 3 2.3 5 speed with only one aftermarket pare and AEM cold air intake now im starting my shopping list for new parts and i wonder if anybody can give me info on...