Automotive Q&A

Reduced-power event shows a brief throttle-position correlation dropout

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Reduced-power event...
 
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[#63]
Topic starter

A 2016 Escape enters reduced power over sharp bumps. Both accelerator-pedal signals remain matched, but throttle position 2 drops for 40 ms while position 1 stays smooth. The event can be reproduced by moving the throttle connector upward, although a simple terminal-to-terminal continuity test passes.

How should terminal tension and the shared reference be checked without damaging the connector?


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Use the specified terminal test probe or drag gauge rather than inserting a meter lead. Compare grip at each terminal, inspect secondary locks and backprobe both throttle signals, 5 V reference and low reference while gently loading the harness. If only one signal drops while shared circuits remain stable, focus on that terminal and conductor.

A continuity beep carries almost no load and may miss a cracked crimp. Capture the dropout at the module and component sides if needed, then repair with the approved terminal rather than bending the contact.


Topic starter
17/07/2026 9:10 am

The TP2 signal terminal had noticeably less drag and its conductor was fractured at the rear crimp. Replacing the terminal and securing the harness eliminated the dropout through repeated bump-road tests. No throttle body was required.