is this oxygen sensors? I searched and searched and I couldn't find any threads that helped me, I don't think its my MAF because my car runs fine. Sorry if this is a repost, but I SWEAR I searched both ways....... sigh. Come on ......flame me now.... I'm ready. Just help me with this and you can flame me however long you want. LOL

 

There is a list of DTCs in the Stickies.

 

yeah, I looked there, but all it says is:
"P0171 - Fuel Injection System Too Lean (Bank 1)
P0174 - Fuel Injection System Too Lean (Bank 2)"

I was told this is probably my ogygen sensors. I just want to make sure before spending money on something I don't need. thanks

 

From the FSM:

Possible Cause

- Intake air leaks
- Front heated oxygen sensor
- Injectors
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Mass air flow sensor

Check some of those as a start... the codes basically mean that both banks are showing your running lean for whatever reason.

 

ok, I don't hear any intake leaks.. is there a way to check this?
front heated oxygen sensor.. Should I just replace it?
Injectors, car runs fine, I would think if it were the injectors I'd be able to feel it... correct?
exhaust leaks.... don't think its this
incorrect fuel pressure... how do I check this? change the filter?
lack of fuel, no.
mass air flow sensor...... prolly, just my luck.

I really don't know what to do, please give advice. I was thinking of starting with the bank 1 and 2 oxygen sensors... although I don't know which ones to get. would I need to get two of the #250-23000 from this site?
https://www.automedicsupply.com/cata...9f95f25dae79e#

and hope thats the problem? sorry for asking so many questions, I just don't know what to do. sigh. thanks

 

uhhhhh.......... bump