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

Device plugged into tps

Old 02-04-2019, 10:31 PM
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Default Device plugged into tps

I dont have a picture but I noticed a small square block plugged into my throttle position sensor on my 84. It was between the wiring harness and the TPS. It used OEM plugs. Any ideas what it is? I took it off and I cant say I noticed any difference.
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Old 02-04-2019, 10:40 PM
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Sometimes they use the adapter with wires to adjust the tps without piercing the wires(just hook up to adapter).
I would remove it after but mabey they left it.
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Old 02-05-2019, 01:33 AM
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I've seen a gadget advertised that plugs into your TPS that claims to give you more horsepower by tricking the ECM into enriching the fuel mixture at about 3/4 throttle, as if the throttle was at full throttle. Snake Oil!

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Old 02-05-2019, 05:01 PM
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Something like this?
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Old 02-05-2019, 05:16 PM
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Originally Posted by NavAir View Post
I second the snake oil claim.
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