I'll buy you a beer

 

there has to be someone with a spare maf or o2 sensor i could borrow for a day

 

wat

 

i have a maf off a 96, would that work?

 

nope. He needs a denso MAF module for the 06.

What are you planning on using a MAF and O2 for only a day for?

 

my car is running retardedly i want to know if the o2 or the maf is broken

 

if only thanks for the offer

 

Exactly how retarded? What makes you think its a maf or o2?

 

P0171 code (bank 1 lean) and i already changed the fuel pump/injectors/spark plugs/fuel filter, and i already cleaned the MAF but i think it might be the reason also the front o2 sensor.

 

damn that's alot of parts! Rather than replacing parts to diagnose the lean condition, you oughtta throw a scanner that has a live readout in the mix and see if the front 02 is within good voltage response.

Is this the only code the car is throwing?

 

yup the only code, i had GST log my car and all the sensors were looking fine but i want to make sure it isn't faulty so i wanted to test them out instead of wasting money on buying them

god i'm going to throw my car into the lake

 

I'd be inclined to believe it's the A/F ratio sensor, which is part number 22641AA211. That is the part you're calling the "front O2 sensor". Is your vehicle tuned? If so, what EM are you using? You've thrown a lot of parts into the car, rather than a couple hundred into diagnosis and the parts that will fix the issue?

 

then your bank acct would be running helluve lean, not your car.


If that's the only code, and all your sensors are truly good, then you sir need to start saving. Lean condition fault-codes are harbingers of doom, so get money together to drop your car off at a shop, and ride a bike or take the bus. Leaning an engine out will burn valves, kill your rings, eat through 02 sensors, and make the bill$$$$ much larger.

Otherwise post everything you know about your car's state, composition of mods, and any other relevant info so peoples here can help you more efficiently. +1 Roo, even if the 02 is still good, the lean condition will kill it right quick

 

all stock only have denso one-step colder plugs and walbro 255 fuel pump. Those were replacements for my stock items because at first the fuel pump died and i had to replace it because the car wouldn't go over certain rpms after i changed the fuel pump/fuel filter the car ran good except for the lag/hesitation from 2.5k-3k rpm. The only time my car is running lean is at 2.5k-3k rpm especially on the freeway.

 

I have this code too and the write-up on nasioc is sorta helpful if you haven't checked it out yet. But I as well want to check my front O2 sensor as i have cleaned my maf plenty of times. I really want to know what the problem is as well....

Wes