What are the reasons for the Buick Regal not responding when stepping on the accelerator?

1 Answers
SanTeagan
07/30/25 6:50am
Buick Regal not responding when stepping on the accelerator may be due to the following reasons: 1. Transmission failure: This is relatively easy to diagnose. If the accelerator pedal cannot be depressed, the engine speed may suddenly increase from 2000 RPM to 4000 RPM. This happens because the power is cut off, causing the engine to suddenly operate with zero load, leading to speed fluctuations. Generally, when there are issues with the engine, including problems with the transmission control system, the engine warning light will illuminate, and a fault code will be stored. In this case, use a diagnostic tool to read the fault code. 2. Clutch: It might be that the clutch is not released; simply releasing it should resolve the issue. 3. Handbrake: If the handbrake is not released, it can also affect the accelerator response.
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