CEL #1 o2 problem

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Old Apr 18, 2007 | 08:20 AM
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Default CEL #1 o2 problem

UPDATED i think the problem was the map gasket...damn that gasket thanks guys


Modified by 89efDUSTY at 9:13 PM 4/18/2007
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Old Apr 18, 2007 | 08:23 AM
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Use the A6 rail and regulator...I assume you are still using the A6 injectors (repinned to obd2 instead?)
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Old Apr 18, 2007 | 08:25 AM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ludesrv &raquo;</TD></TR><TR><TD CLASS="quote">Use the A6 rail and regulator...I assume you are still using the A6 injectors (repinned to obd2 instead?)</TD></TR></TABLE> i think i have to use the y8 because the a6 doesnt bolt up correctly...also i am just using my injectors with no repinning, just left them from obd0...do i need to repin to obd2? thanks
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Old Apr 18, 2007 | 08:33 AM
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Default Re: (89efDUSTY)

also i was thinking of just swapping on my a6 regulator but they line up differently...(a6 has two holes for mounting and actual fuel path in a linear fashion, compared to the y8 that triangulates)
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Old Apr 18, 2007 | 09:05 AM
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No don't worry about going obd2 injectors.

It's seems odd that you are getting to much fuel. You the A6 regulator if it bolts up.
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Old Apr 18, 2007 | 09:22 AM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ludesrv &raquo;</TD></TR><TR><TD CLASS="quote">You the A6 regulator if it bolts up.</TD></TR></TABLE> huh...hahaha i think i get what you are saying, but ill check when i get home. Its because i got have a B&M FPR for my a6 and the holes and path are linear compared to y8 that triangulates...but can i reinstall the B&M on my y8? it should be just like install correct? I will try this when i get home cause im @ work, but any other suggestions? thanks
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Old Apr 18, 2007 | 09:36 AM
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Bolt it on. What's the worst that can happen, you might lose a little bit of fuel? Adleast you will know it will work or not.

Ever thought maybe the O2 is dying, and causing massive floods of fuel? How is your timing? That does effect your fuel consumption.
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Old Apr 18, 2007 | 09:40 AM
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yah i thought it may be faulty o2 but i think its something with the rail/regulator because it never died before, and it is pretty new. Timing i believe is dead on...but is there a way to check to the o2, also i got a apexi TT for when i boost, im thinking of hooking it up prior and use it for its so-so AFR reading.
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Old Apr 18, 2007 | 09:43 AM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 89efDUSTY &raquo;</TD></TR><TR><TD CLASS="quote">yah i thought it may be faulty o2 but i think its something with the rail/regulator because it never died before, and it is pretty new. Timing i believe is dead on...but is there a way to check to the o2, also i got a apexi TT for when i boost, im thinking of hooking it up prior and use it for its so-so AFR reading. </TD></TR></TABLE>

Wideband o2 &gt; TT

You boosting already or planning on boosting? Stock PM6 ecu still? What's your setup. I've had lots of fuel issues aswell so maybe we can help eachother.
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Old Apr 18, 2007 | 09:50 AM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ludesrv &raquo;</TD></TR><TR><TD CLASS="quote">

Wideband o2 &gt; TT

You boosting already or planning on boosting? Stock PM6 ecu still? What's your setup. I've had lots of fuel issues aswell so maybe we can help eachother.</TD></TR></TABLE>planning on boosting...specifics are more but, hf to t25 with a chipped pm6 "thanks tippyman" planning to run TE @ about 7-8 psi as my DD on a d16a6 with d16y8 Im b18a1 TB...also running a GMC heater core for cooling of coolant lines ...should if finances go right be boosted towards the end of this month...and yah im going to a great local shop for @ least like 2 hours of tuning
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Old Apr 18, 2007 | 10:33 AM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 89efDUSTY &raquo;</TD></TR><TR><TD CLASS="quote">planning on boosting...specifics are more but, hf to t25 with a chipped pm6 "thanks tippyman" planning to run TE @ about 7-8 psi as my DD on a d16a6 with d16y8 Im b18a1 TB...also running a GMC heater core for cooling of coolant lines ...should if finances go right be boosted towards the end of this month...and yah im going to a great local shop for @ least like 2 hours of tuning </TD></TR></TABLE>

Are you running the stock PM6 ecu now or a chipped one? If your running a chip, run a stock and see.
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Old Apr 18, 2007 | 10:40 AM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ludesrv &raquo;</TD></TR><TR><TD CLASS="quote">

Are you running the stock PM6 ecu now or a chipped one? If your running a chip, run a stock and see.</TD></TR></TABLE> no right now i am running stock, i was thinking about running the chipped just to see what it will do, but i am a little about it because the previous owner didn't know what basemap was on it...
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Old Apr 18, 2007 | 11:01 AM
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Run it. Nothing bad can happen.

Any other codes other then Code 1?
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Old Apr 18, 2007 | 11:02 AM
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no i did have 7 TPS but i fixed it...then i ran the car for a while and no TPS but the CEL for o2 came on...thats all...ill try to run it today
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Old Apr 18, 2007 | 11:36 AM
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Have you calibrate your TPS to 0.5V at warm idle?
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Old Apr 18, 2007 | 11:41 AM
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Default Re: (89efDUSTY)

have you checked your fuel pressure yet? or are you assuming that the stock y8 regulator is giving you too much? without looking it up, im not sure what the stock y8 fuel pressure is...i would assume it doesnt differ much from the a6.

i have basically the same setup as you, except i swapped my b&m regulator from the a6 to the y8 regulators.

ps, i will check to make sure...but im 100% positive the a6 regulator wont bolt up to the y8 rail. dont start the car like that, cause you might burn your car to the ground....
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Old Apr 18, 2007 | 12:01 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ludesrv &raquo;</TD></TR><TR><TD CLASS="quote">Have you calibrate your TPS to 0.5V at warm idle?</TD></TR></TABLE>
sorry but im super ignorant with TPS...you have a link or description?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fastcrxsi90 &raquo;</TD></TR><TR><TD CLASS="quote">have you checked your fuel pressure yet? or are you assuming that the stock y8 regulator is giving you too much? without looking it up, im not sure what the stock y8 fuel pressure is...i would assume it doesnt differ much from the a6.

i have basically the same setup as you, except i swapped my b&m regulator from the a6 to the y8 regulators.

ps, i will check to make sure...but im 100% positive the a6 regulator wont bolt up to the y8 rail. dont start the car like that, cause you might burn your car to the ground....</TD></TR></TABLE> yah i left it at home...it may work but I just found out that the guy who sold me the B&M a6 was actually a ZC FPR...so when i get home im going to get my swap it onto the y8 unless the a6 does bolt up and the path is dead on...

But yah i will check fuel pressure i have a guage @ home stock should be around 35 psi or something correct, i can look it up though no worries...


dang work i want to go home and fix my car
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Old Apr 18, 2007 | 12:04 PM
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Default Re: (89efDUSTY)

How did you hook up your MAP to the new IM?
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Old Apr 18, 2007 | 12:10 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HondaPartsHero &raquo;</TD></TR><TR><TD CLASS="quote">How did you hook up your MAP to the new IM?</TD></TR></TABLE>extended the wires from firewall and used the TB with the map sensor located on top and just plugged in
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Old Apr 18, 2007 | 04:10 PM
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Default Re: (89efDUSTY)

still @ work but soon i can check...but could it be clogged injectors? making it come out in a more in a coarse spray, making it not combust and being pusted out my exhaust?
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Old Apr 18, 2007 | 05:17 PM
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Default Re: CEL #1 o2 problem (89efDUSTY)

update my pressure is about 35 or so...anyone?
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Old Apr 19, 2007 | 04:30 AM
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Default Re: CEL #1 o2 problem (89efDUSTY)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 89efDUSTY &raquo;</TD></TR><TR><TD CLASS="quote">update my pressure is about 35 or so...anyone?</TD></TR></TABLE>

Sounds about right.

For the TPS, put a multimeter in the middle wire on the tps plug (on the side of the TB), ground the other side, then check the volts going to it when the engine is WARM and idling. IT should Read 0.500V. When it reads 0.5V, it's in the perfect position (if you've seen one open you would understand what I mean by calibrated).

IF you have the rivetted TPS then grind those off and get M8 bolts to fit in there and replace them. The JDM TB has torx M8 bolts in there, way better then our rivetted stuff.
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Old Apr 19, 2007 | 07:55 AM
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Default Re: CEL #1 o2 problem (ludesrv)

ohh ok, yah i know what you mean by calibrated because i had to get the rivets off becuase the old tps was broken, i just didnt understand the part with the multimeter...thanks
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Old Apr 19, 2007 | 07:55 AM
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Default Re: CEL #1 o2 problem (89efDUSTY)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 89efDUSTY &raquo;</TD></TR><TR><TD CLASS="quote">ohh ok, yah i know what you mean by calibrated because i had to get the rivets off becuase the old tps was broken, i just didnt understand the part with the multimeter...thanks</TD></TR></TABLE>

You would be surprised how badly it can throw off your idle and gas consumption.
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Old Apr 19, 2007 | 08:18 AM
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Default Re: CEL #1 o2 problem (ludesrv)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ludesrv &raquo;</TD></TR><TR><TD CLASS="quote">

You would be surprised how badly it can throw off your idle and gas consumption. </TD></TR></TABLE>awesome ill check this out tonight and drain all my coolant system cause i got my half size radiator last night...RCautoworks is awesome stuff for the price
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