Thread: 90 GMC 7.4L TPS Adjustment
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Old 01-12-2011, 12:18 AM   #1
nvr2nd
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90 GMC 7.4L TPS Adjustment
Is there any kind of adjustment necessary after replacing a Throttle Position Sensor (TPS) on a 1990 GMC Sierra with a 7.4L TBI? The TPS doesn't appear to be adjustable but the insert in the box gives adjustment instructions.
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