OBD2 Codes Coming Up None Stop!!! Also Have a Magically Missing Sensor... - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 25 (permalink) Old 08-29-2016, 02:43 PM Thread Starter
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OBD2 Codes Coming Up None Stop!!! Also Have a Magically Missing Sensor...

Hey, i have a 2006 supercharged cobalt 2.0 lsj vin p, i need some help identifying a missing sensor, as well as advice on which sensors to replace that will most likely stop all the issues considering ive heard replacing one or two sensors will erase all the codes coming up, ive already replaced the Baro sensor and that didnt fix the baro sensor code so im gonna next go with the maf sensor. heres the codes and pictures of the missing sensor...
P0069
P0068
P0098
P0480
P2228
P1182
i was also given the knock sensor code but ive heard that can pop up if the car has been sitting a while and has old gas and because i just got the engine swapped, yes the car as sitting for a little over 2 months.

and heres the seonsor thats missing, which one is it? have any clues? its right under the fuse box.


Last edited by LadySatori420; 09-03-2016 at 05:40 PM.
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post #2 of 25 (permalink) Old 08-29-2016, 03:04 PM
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Based on those codes I'm assuming you have a supercharged ss? Year and model would be helpful. Either way, with all of those codes and the fact you just swapped motors I would start by checking all connections and grounds

---------- Post added at 06:04 PM ---------- Previous post was at 06:00 PM ----------

I could be wrong here, never actually looked at the wiring harness for an lsj, but it looks like that's a connector for the harness that should run to all of those sensors. Start by finding what's supposed to plug into it and all your issues might just disappear
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post #3 of 25 (permalink) Old 08-29-2016, 04:10 PM Thread Starter
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oh im sorry its a 2006 Supercharged 2.0 lsj vin p to be exact. i'll edit that in the post.

Thats what im thinking because the connector is pretty big.

Last edited by LadySatori420; 08-29-2016 at 04:13 PM.
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post #4 of 25 (permalink) Old 08-29-2016, 05:01 PM
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The only other thing I could think of for that to plug into would be on the transmission
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post #5 of 25 (permalink) Old 08-29-2016, 05:56 PM
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lol, no wonder you're getting all those codes. That's the connector going to the HOs and the MAP and a few other sensors. 5V ref being the important one here.


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post #6 of 25 (permalink) Old 08-29-2016, 06:00 PM
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Thought so but wasn't sure and don't have access to diagrams haha, find the other end and plug it in and you should be good
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post #7 of 25 (permalink) Old 08-29-2016, 06:21 PM
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post #8 of 25 (permalink) Old 08-29-2016, 06:40 PM
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Don't feel too bad, I forgot to hook up the maf when I put my saab back together. Just a little mistake that's easily fixable
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post #9 of 25 (permalink) Old 08-29-2016, 10:04 PM Thread Starter
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i didnt put it back together... an idiot did. i have been having an insane amount of issues ever since the swap was done. figured he just did a botch job. if thats seriously the issue, and why all these codes are popping up, what a relief!!!

---------- Post added at 05:04 AM ---------- Previous post was at 04:51 AM ----------

i'm going to try and locate the other end and see if it makes everything work right. i havent been able to have any fun since the swap about a week ago, it just says engine power reduced when i boost and stops me from going anywhere fast.
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post #10 of 25 (permalink) Old 08-30-2016, 06:25 AM Thread Starter
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ok so i can't seem to find the other end, Coby would you happen to know the part# or have a photo of what the other end looks like? also is it possible that the engine harness to body harness is the other connector that looks identical except its closer to the top of the engine, the one missing is literally right under the fuse box.

---------- Post added at 01:25 PM ---------- Previous post was at 01:22 PM ----------

OR would you happen to know where the male end is located on the car? its frustrating that this might fix all the issues but i can't find it anywhere :(
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