Please, I'm begging you all...
In case you (the reader) are new, here's a back story so you don't have to see the other posts about this (and [welcome] ):
I have a 2003 Zetec with a CAI.
Lately, it's been throwing a PO2195 code (Upstream O2 sensor stuck/biased lean, bank 1, sensor 1).
I've been searching high and low for answers, and nothing's working.
I even did some thinking, checked for vaccuum leaks. Nothing.
I don't know what to do, i'm at my wits end here.
I need someone with some experience to shoot me some advice!
[hatchet] [:(!] [scratch]
P2195- Lack of H2OS-11 switch, Sensor indicates lean.
Description: A HUGO sensor indicating lean at the end of a test is trying to correct for an over rich condition. the test fails when the fuel control system no longer detects switching for a colibrated amount of time.
Short to VPWR in harness or HO2S sensor
Water in harness connector
Open/Shorted HO2S circuit
Corrosion or poor mating terminals and wiring
Damaged HO2S sensor
Excessive fuel pressure
Leaking fuel injectors
Leaking fuel regulator
Low fuel press or running out of fuel
Vapor recovery system
Air leaks after MAF
Improper seated engine oil dipstick
Stuck EGR valve
Leaking diaphrame or EVR
Exhaust leaks before or near HO2S sensor
Have you replaced the 02 sensor?
You know, it's really damn hard to help when I have to read 15 back threads about the same thing. All of which have very little information to go on.
Nearest I can tell from all of them combined, you opened the hood. I can't find any procedures you've gone through to test parts, other than the obvious scanning for codes.
So please take more than 30 seconds to make a post, make a post, make a post, make a post and explain what you have done in detail so far.
Also, I find it coincidental that you didn't have problems until this Spectre intake was used. And no clue if you're still using it.
BTW, edit your thread and don't bypass the swear filter again. 1 and only warning I'm going to give.
How many miles on the 02 sensor? They do go bad, and that will give you a CEL in some cases. I had one until I replaced mine. Get one from Steve at Toulsey Ford, he'd good people.
I'm not using the Spectre thing anymore, I have an actual aluminium Factory Tuned CAI now.
Yeah, I opened the hood. I checked for vaccuum leaks. I put in a brand new sensor. I checked all my connections. I tried everything I could think of at the time. It's a code I've never dealt with before. Not everyone's a seasoned veteran dude. I have a $75 Mac Tools code reader, a craftsman toolbox, and a somewhat decent idea of what's going on. I'm not a Focus god like you and Tom. It's really annoying to see someone I have learned so many little things from go off on me like that. All I wanted was some advice.
If I am not mistaken, NTK is not a recommend sensor for these... however I doubt that is the problem. 50% doubt anyway. bad new parts are of no surprise to me. verify that you have no exposed wires though.
I haven't posted in threads previous because it didn't make any sense. now that we have more information, I think you'll get some more help. Insulting other members won't get you far either though.
NTK is the OEM manufacturer Mike, nothing wrong with using them. It's the Bosch O2's our cars don't like. I have a NTK and it's identical to the factory sensor.
really? well I'm glad you straightened that out then. I thought it was the other way around.
anyway OP... do you have multimeter?
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