Knew it wouldnt work

[Matthew]

like i said last night i knew it wouldnt work for very long.

I have absolutely no idea what to do now, can someone please help. anyone, with any suggestions as to how to get my car running rich during boost? the idle/cruise is fine but the AFRs even at 100psi of fuel at 6.5psi of boost is 12.1 or so, which is way too lean for that kind of fuel pressure.

also i dont understand how im getting a 0 volt reading from the first o2 sensor. that is with the clamp removed and installed i get a 0v reading.

*** UPDATES ***

White/Red on MAF to Ground = 13.05v - 13.09v (fluctuate)
Black on MAF to Ground Black/Red on MAF to Ground = .06v (steady)
Green on MAF to ground Green/Black on MAF to Ground = .23v - .25v (fluctuate)

Blue on O2 sensor to Ground = 0.0v (steady)
White on 02 sensor to Ground = -.06v to -.07v (fluctuate)
The Two Black on the O2 sensor to ground = 6.5v - 10.5v (fluctuate)

 

[LinuxRacr]

Are you getting 0v when you let off the gas? I do. Just trying to understand.

 

[Matthew]

i get 0v at idle...i havent tapped the o2 sensor during boost.

 

[BlkZoomZoom]

Is it recieving the voltage from the pcm?

 

[Matthew]

i will give someone $100.00 if they sucessfully fix my problem...this is an incentive, espeically for you amateur electricians that may be able to delve into wiring schematics and ask me better questions.

 

[Matthew]

Is it recieving the voltage from the pcm?

is what? the o2 sensor? and which wire would i tap to check? ive just been tapping the signal wire...

 

[Matthew]

bump what sectino of the manual is the wiring schematic and pin diagram for the ECU?

 

[RyanJayG]

http://protege5.ugly.net/01-02B.PDF

 

[Matthew]

what is it called in the index i was looking and must have kept overlooking

s*** this is really complicated. im looking to see if the wire from the first signal o2 (pink/blue, pin60) goes straight to the ecu or if it is supposed to be connected to other wires etc.

feel free everyone to throw questions at me. i will do my best to answer.

 

[BlkZoomZoom]

The o2 sensor does not create voltage. It gets voltage from fuse 14. It in turn, returns the signal to the pcm. So I am asking did you ensure you have the correct voltage at the o2 sensor.

 

[Matthew]

tell me where to tap which wire and i will check and tell you. to answer your question more directly, i didnt check because i didnt know where to check. i have a multimeter i can tap wherever to make sure its getting a signal.

 

[Focus]

Ok Matthew I need you to go to the car and get a couple of readings for me. With the car running, using a voltmeter measure the following:

White/Red on MAF to Ground
Black on MAF to Ground
Green on MAF to ground

Blue on O2 sensor to Ground
White on 02 sensor to Ground
The Two Black on the O2 sensor to ground

when I say to ground I mean the black test lead on the battery ground.

 

[Focus]

bump what sectino of the manual is the wiring schematic and pin diagram for the ECU?

http://users.wpi.edu/~jck15243/msppinout1.htm

 

[Matthew]

im still waiting for my IAT sensor to get here so im probably going to be bad on the MAF but im not sure.

White/Red on MAF to Ground
Black on MAF to Ground
Green on MAF to ground

Blue on O2 sensor to Ground = 0.0v
White on 02 sensor to Ground
The Two Black on the O2 sensor to ground

ill get the rest here in a second once im done shitting.

 

[RyanJayG]

overshare

 

[Matthew]

im going to go get a damn light from autozone. something that actually lights the ******* area up.

 

[BlkZoomZoom]

Matthew have you gotten a check engine light on? If so what code? Check all fuses!

 

[Matthew]

i dont know my CEL is out. and these assholes wont read codes around here

 

[Matthew]

stand by for numbers in like 15 min (im splicing in now)

 

[Focus]

stand by for numbers in like 15 min (im splicing in now)

Waiting patiently!!!