Problem with 5 wire wideband oxygen sensor/air fuel ratio - Saturn ION RedLine Forums
 
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post #1 of 9 (permalink) Old 05-19-2019, 03:18 PM Thread Starter
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Problem with 5 wire wideband oxygen sensor/air fuel ratio

Does anyone have any idea where the cable connects to under the dash, The cable for this wideband oxygen sensor, on a IRL comes in through the firewall and right next to the clutch pedal, If some one could help me please, it came loose and have no idea where it goes to get it connects again, Thanks for the help, any pictures or diagrams will help me alot .
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post #2 of 9 (permalink) Old 05-19-2019, 03:42 PM Thread Starter
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By the way, just painted my SC on my IRL🤗🤗🤗
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post #3 of 9 (permalink) Old 05-20-2019, 09:02 AM
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Widebands are aftermarket. There is no standard.

2004 Saturn Ion Redline - S256ET | Ported Head
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post #4 of 9 (permalink) Old 05-20-2019, 09:15 PM Thread Starter
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Widebands are aftermarket. There is no standard.
,didn't know that, Thanks , But would you happen to know where the cable plugs into, here is a picture of the cable , I would like to know where this goes connected to, if I don't get it connected, then the car will use so much gas and won't even run nice ,thanks for the help in advance
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post #5 of 9 (permalink) Old 05-21-2019, 03:23 AM
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No idea from the picture.

The wideband not being hooked up won't affect how the car runs at all unless you are running some serious aftermarket engine management.

All it does is measure the AFR. It doesn't report back to the PCM.
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post #6 of 9 (permalink) Old 05-22-2019, 06:12 AM Thread Starter
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The cable comes in through where the harness for the ecm goes, and that cable comes from.the oxygen sensor that's before the cat, the car has 3 , 1 on Header ,1 before the cat and 1 after the Cat, so the one before the 1 that's the one that got disconnected, which is that (skinny) cable , the end of the cable has 8 pin though
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post #7 of 9 (permalink) Old 05-22-2019, 03:40 PM
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The one on the header and the one post cat are factory. The one pre-cat was added aftermarket.

Does the car have an aftermarket air fuel gauge? You could back trace the wire from that. If not, it may be a standalone WB used only for tuning.
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post #8 of 9 (permalink) Old 05-23-2019, 09:19 PM Thread Starter
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There are no other gauges in the car, Just the ones in the cluster, Problem is , I live in Bethlehem PA, and Here they use the emission sticker , so If I get a light on ( check engine light) it won't pass emissions.i will have to check to see where that cable plugs into under the dash or some where , I appreciate the help you given me.thanks alot
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post #9 of 9 (permalink) Old 06-12-2019, 10:43 AM Thread Starter
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Thank so much for the help , I left the cable go , got the transmission on , and turn car on and no Engine light on so far, I do have a really loud noise coming from the front left wheel tho, Do you think it could be the bearing? And when I press the brake even worse 😯🙁
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