Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

What is Ideal TPS Voltage at Idle

Old Jul 15, 2004 | 08:32 AM
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What is Ideal TPS Voltage at Idle

Any clue what the "perfect" TPS voltage at idle for the LT1?
Old Jul 15, 2004 | 10:58 AM
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The PCM will accept any voltage between 0.20 - 0.90V, and set that as the baseline (0% TPP). In theory, it "doesn't matter". That's why there are no adjustment slots on the stock TPS.

Virtually every factory stocker I have ever checked has been 0.65 - 0.67V. I have seen posts claiming better SOTP results with values from 0.50 - 0.67V. But you know how reliable the old butt-o-meter is.
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