1988 k2500 goes into "limp mode" when accelerating going uphill

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1998_K1500_Sub

Nitro Junkie
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I haven’t checked that yet but I will add that to the list

Yes, a "blip" in the TPS voltage (i.e., a discontinuity or step in the voltage from the sensor) can cause odd behaviors such as you describe.

Some other problem may exist, but I would look there.

It's quick and easy to test the TPS with an ohmmeter.
 
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