buick Workshop Repair Guides

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Engine Controls - TPS Specifications|Page 2474 > < Engine Controls - TPS Specifications|Page 2472
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Throttle Position Sensor: Testing and Inspection

Fig. 049 - Chart C-2F TPS Enrichment Check

CHART C-2F, TPS ENRICHMENT CHECK

1.

This step checks that the TPS will cause an ECM "Rich" command when fully depressed manually. On some cars, this will cause a low dwell (full
rich). On others it will not.

Engine Controls - TPS Specifications|Page 2474 > < Engine Controls - TPS Specifications|Page 2472