p0171

ok so i hope to not be duplicating any posts, as i searched last day for something that matched these errors and my issue. hoping to get some assistance: backstory mazda protege 2003 parked at playground and I stepped away for 10 minutes leaving it idling for about 10 minutes. When i came back...

I know you guys have been asked about 1000 times if not more about this and I do sincerely apologize for it. I just would like some input on this particular case. So I have got to have emissions testing done before the end of September (t-minus 18 days) & I keep popping a P0171 CEL for bank 1...

Hi guys, This is my second time posting on here but I am at a standstill. I am getting the P0171 code along with the P0300. I have done a standard tune up (spark plugs, ignition wires, coil packs, cleaned MAF, cleaned intake filter) but still get the errors. I took it to a local shop who...

The check engine light came on a couple days ago on my MSP giving me code P0171, Does anyone know what this code means ??

I need some help I am loosing my mind trying to figure this out. I have an Intermittent rough idle, While in gear like at a stop light it will act like a misfire and the RPMS will drop a couple hundred and then back to normal... sometimes at the stop light it might do it a couple of times and...

Ok, So i took the car in to the mechanic to have them diagnose a p0171 check engine code. They concluded that I did have a vacuum leak. it was coming from my waste gate actuator. Anyhow they quoted me the price for the part from Mazda to be some where around 300 something. They called it a...

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...