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Home >> Mercury >> 1987 >> Topaz LS, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> 2.3L HSC/CFI Testing >> Quick Test >> Quick Test Diagnostic Aids >> Dynamic Response Check

Dynamic Response Check

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The dynamic response check verifies movement of the TPS, VAF, and MAP sensor during the wide open throttle (WOT) part of the KEY ON/ENGINE RUNNING (KOER) SELF-TEST. The signal to perform WOT is a single pulse (one) when using VOM or code 10 on STAR tester.