TwinTurbo.NET: Nissan 300ZX forum - Something's not right with the o2 sensor circuit. Those
Subject
Something's not right with the o2 sensor circuit. Those
Posted by
Evan_Wright (Ca)
on September 01, 2013 at 12:41 AM
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In Reply To
O2 sensor issues, car running rich all the time. Need advice
posted by Woody75 (Denver)
on August 30, 2013 at 11:35 PM
Message
voltages are normally what you see with them unplugged. Maybe fixing that issue will shed light on what's going on.
Follow Ups
O2 sensor issues, car running rich all the time. Need advice
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Woody75 (Denver)
23:35:02 08/30/13
Coolant temp sensor?..
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Cjw3
01:04:52 08/31/13
seems to be working fine.
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Woody75 (Denver)
07:42:40 08/31/13
Tim, I found that the ECU open loop operation is based on
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DVDBURN (MD)
09:47:51 08/31/13
That's a nice little tid bit to file away.. Thanks (n/m)
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Cjw3
09:54:02 08/31/13
To be more accurate in that first statement...
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DVDBURN (MD)
10:24:45 08/31/13
Thaks for the info.
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Woody75 (Denver)
11:04:44 08/31/13
Sounds like a stuck injector to me... (n/m)
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ChaseGrayTT
18:36:25 08/31/13
Hey Woody!
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ChaseGrayTT
07:25:40 08/31/13
cas is good. everything is firing and reading right.
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Woody75 (Denver)
07:46:16 08/31/13
dont the o2 reads .34 if unplugged?
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toykoz32
12:02:08 08/31/13
Most ECUs are usually .32 without O2 feedback but I have...
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DVDBURN (MD)
19:48:01 08/31/13
Check with wide band O2 sensor
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jerdobi
18:47:18 08/31/13
k value is correct
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Woody75 (Denver)
19:14:41 08/31/13
Something's not right with the o2 sensor circuit. Those -
Evan_Wright (Ca)
00:41:35 09/01/13
Have the injectors tested or test them yourself, or swap in
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ZaXxon
05:34:12 09/01/13
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