TwinTurbo.NET: Nissan 300ZX forum - yes, that should tell you if the O2s are involved (n/m)
Subject
yes, that should tell you if the O2s are involved (n/m)
Posted by
zromtech
on June 26, 2015 at 1:13 PM
This message has been viewed
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times.
In Reply To
Should be able to disconnect the O2 and run at idle? (n/m)
posted by BoneZ (MD)
on June 26, 2015 at 12:29 PM
Message
Follow Ups
What else to check...
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Stanky
00:18:22 06/24/15
Don't feel offended, but let me ask you this....
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puchy
07:29:06 06/24/15
Compressed air to driver side, hockey puck blocking
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Stanky
09:20:35 06/24/15
Check you idle stops. FSM section for TB setup. (n/m)
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BoneZ (MD)
07:33:41 06/24/15
Will check tonight, thanks (n/m)
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Stanky
09:22:17 06/24/15
EM-21 in the 95 FSM
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BoneZ (MD)
19:19:40 06/24/15
Honestly i notice no change by disconnecting it
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Stanky
19:34:00 06/24/15
Hell, that may be an issue.
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BoneZ (MD)
19:49:52 06/24/15
if you changed smic piping you could mix up recirc and EBC
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Dane (Houston)
09:53:50 06/24/15
I've been running the selin kit for a couple years now
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Stanky
14:39:58 06/24/15
Re: I've been running the selin kit for a couple years now
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Dane (Houston)
21:59:48 06/25/15
Have you tried it with just the TPS switch? (TPS sensor
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ConVerTT
12:50:38 06/24/15
My NA is having this same issue. tried 2 TPS with clean pins
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XTZ
18:09:08 06/24/15
So ....
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ConVerTT
20:36:52 06/24/15
Can you run ECUtalk to check some parameters? (n/m)
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OverZealous (CT)
17:45:25 06/24/15
Consult readings
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Stanky
18:53:12 06/24/15
One more
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Stanky
18:54:09 06/24/15
Re: One more
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Dallas DamonZ
19:16:03 06/24/15
So...
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ConVerTT
20:26:02 06/24/15
Correct!
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Stanky
20:46:32 06/24/15
Awesome!
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ConVerTT
23:20:02 06/24/15
Didn't realize it was open loop at idle
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BlackholeZ
11:15:33 06/25/15
Actually, the ECU *does* have o2 feedback at idle
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zromtech
13:39:07 06/25/15
Hmmm. That is interesting intel...
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ConVerTT
16:44:11 06/25/15
Re: Hmmm. That is interesting intel...
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zromtech
12:25:10 06/26/15
Should be able to disconnect the O2 and run at idle? (n/m)
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BoneZ (MD)
12:29:51 06/26/15
yes, that should tell you if the O2s are involved (n/m) -
zromtech
13:13:43 06/26/15
Ok great. Now how does this idle feedback interact
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ConVerTT
09:03:08 06/27/15
Re: Ok great. Now how does this idle feedback interact
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zromtech
10:31:23 06/27/15
Ok great. I was hoping that was the answer...
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ConVerTT
11:43:47 06/27/15
Fuel pressure good, all injectors firing and ohm 12.5
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Stanky
14:22:44 06/27/15
Re: Actually, the ECU *does* have o2 feedback at idle
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Dallas DamonZ
00:35:48 06/26/15
Mine would idle at mid 14 afr for about ten seconds
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xpwarrior
10:43:27 06/26/15
Re: Mine would idle at mid 14 afr for about ten seconds
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zromtech
13:01:56 06/26/15
FWIW, Nistune allows you to enable O2 feedback
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aliaZ
17:24:47 06/26/15
You can also do that with Tunerpro or even hex editing
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xpwarrior
18:22:31 06/26/15
or ZROM Pro!*
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zromtech
11:39:28 06/27/15
Appreciate the static pics but was hoping for transients vid
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OverZealous (CT)
18:13:29 06/26/15
Please let us know exactly what the problem turns out to be. (n/m)
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Zuberman
01:28:00 06/25/15
I've had similar issues, it ended up being a bad MAF
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Zvil (FL)
09:36:15 06/25/15
Good point ...
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ConVerTT
10:52:55 06/25/15
I have suspected my MAF to be questionable for years. Maybe
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Zuberman
12:24:25 06/25/15
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