C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Missing O2 Sensor L98 1991 Code 13, which wire?

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Old May 10, 2023 | 06:28 PM
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Default Missing O2 Sensor L98 1991 Code 13, which wire?

1991 L98 ZF6

Previous owner put on cheap exhaust system. Code 13 showing. Got under car, looks like O2 sensor is just missing. Is this the wire for it?



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Old May 10, 2023 | 07:42 PM
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The connector would be a single terminal 'WeatherPack' and maybe your snapshot is the remains of what would have been correct. The connector shell is missing and it's maybe possible just to get the single terminal 'WeatherPack' shell and save what's there or maybe a new shell and a terminal to refresh it completely. What color is the wire? Clean the wire to correctly ID it but I'd say you're there. Many here on the CF might frown on the oil filter brand but that's certainly a personal choice maybe.

Delphi 12015791 would be a correct shell I believe.
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Old May 10, 2023 | 11:27 PM
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The 02 wire if remembered right is a single Black wire and as WR-1 Mentioned see if you can find the rest of the plug, if not new you can grab on from a junk yard GM it's one of the parts that many cars share I would thought recommend that you get the terminal tool to save your factory end and just bring over the weather pack. Unless you're going to splice correctly NO CUT AND CRIMP cheap unsealed butt connectors suck.
The bigger question is does your exhaust have a place for the 02 sensor

Last edited by s carter; May 11, 2023 at 02:38 PM.
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Old May 11, 2023 | 09:35 AM
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Okay so that looks like the wire?

Should any basic single wire O2 sensor work?

I am putting on a whole new exhaust system with a bung.


Last edited by yakmastermax; May 11, 2023 at 10:28 AM.
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Old May 11, 2023 | 10:56 AM
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Originally Posted by yakmastermax
Okay so that looks like the wire?

Should any basic single wire O2 sensor work?

I am putting on a whole new exhaust system with a bung.
Bosch or GM, neither will break the bank. Should be 20 bucks.

And as a local for the missing weatherpack, Napa may have it in stock or at a warehouse.
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