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

tps measurement

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Old Dec 28, 2009 | 06:10 PM
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Default tps measurement

Can somebody give me the procedure on testing and adjusting the voltage of the tps on an 84 Crossfire? Thanks, Dave
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Old Dec 29, 2009 | 09:29 AM
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Can anyone help me? As the final step in balancing the throttle bodies, I would like to check the voltage of the throttle position sensor. But all that I get from searching is pretty vague.
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Old Dec 29, 2009 | 06:58 PM
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Not up on the 84, but am in the 86. Are they similar? If so I can help.

Jake

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Old Dec 29, 2009 | 07:04 PM
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Since the 84 is pretty unique with some of its parts and procedures it wouldn't be a bad idea to get a Factory Service Manual. These can be had fairly cheap from guys on this forum and possible ebay.Trust me, it would be a big help...WW
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Old Dec 29, 2009 | 07:10 PM
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Three TPS wires; use the TOP and Center to connect the digital volt meter. Ignition ON, engine OFF. Take a reading. You need to use a DIGITAL volt meter, not analog.

It should read .54 volts +/- .075 v. If not, loosen two screws and turn TPS until you get the reading you want. Tighten screws, then verify that voltage didn't change. Done.

Jake

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Old Dec 30, 2009 | 12:31 PM
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Jake,

Thanks! Dave
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