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Top 2GNT Technical Turbo/Nitrous Tech topic #49064
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Subject: "revisiting fuel pressure issue & what happens if O2 sensor is going or goes tits up?" Previous topic | Next topic
tim97rsMay-18-03 02:10 PM
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#49064, "revisiting fuel pressure issue & what happens if O2 sensor is going or goes tits up?"


          

im still having "issues" with my FP/SFMU/AF #'s.

I turned down my static pressure from 34psi to 30psi, which now makes my idle run @ 18psi. I still hit 1.03-1.05v AF when boosting 6psi. Car seems and feels to run fine, no engine codes for running to rich. Only "side effect" is it has taken me about 118 miles to run thru a half tank of gas, which dont seem normal!!!!
SO im running rich, burning buku gas, and cant find any part numbers on accell injectors to referance size. (i still think i got bigger injectors than 310's)
SEGWAY into AF question - whats a sign that O2 sensor is going/gone bad?

thanks

PS gonna order datalogger monday!!!!!!!!!

USED TO HAVE...Everything you wish you had, and then some...

You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)

  

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tim97rsMay-19-03 06:07 AM
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#49114, "RE: revisiting fuel pressure issue & what happens if O2 sensor is going or goes tits up?"
In response to Reply # 0


          

anybody?

USED TO HAVE...Everything you wish you had, and then some...

You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)

  

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BoostedGSMay-19-03 06:32 AM
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#49115, "RE: revisiting fuel pressure issue & what happens if O2 sensor is going or goes tits up?"
In response to Reply # 1


          

Poor gas mileage is definitely a sign of a bad O2 sensor. What is your fuel pressure at under boost?



You are not your job.
You're not how much money you have in the bank.
You're not the car you drive.
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You're not your fu**ing post count.

97 Eclipse GS - *SOLD*
01 Audi A6 2.7T
01 YZF-R6

  

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whodatt1May-19-03 07:08 AM
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#49117, "RE: revisiting fuel pressure issue & what happens if O2 sensor is going or goes tits up?"
In response to Reply # 2




          

I'm having almost the same prob. I know i'm runing rich, but my a/f gauge reads lean. not sure if its the gauge or the 02 sensor. anyone know what are the tell tell signals of a bad o2 sensor. Also can we swap the rear for the front?

-97 GS (First project, 299 whp)(sold)
- 97 RS 2.6 last numbers: 306hp, 352tq @16psi (Dead, parted out)
- 99 GS OZ, Hahn Kit, 56k miles (Sold)
--------
- 00 Nissan Maxima GLE (Daily Driver)
- 02 Audi A4 1.8T Quattro

  

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