Engine Dies at 1900 RPM When Revving Slowly - TPS Adjustment

Electricalbeginner✓ OP Confirmed

Problem

Engine dies at approximately 1900 RPM when the throttle is opened slowly from idle (~1000 RPM). When revved quickly, the engine climbs through the rev range without issue.

Engine dies at ~1900 RPM when throttle is opened slowlyEngine revs fine when throttle is opened quicklyNo error codes stored in ECU

Root Cause

The Throttle Position Sensor (TPS) was set too far anti-clockwise, causing incorrect voltage signals to the ECU during slow throttle opening.

Confidence

High confidence — Original poster confirmed this resolved the issue

View Original Thread →Posted December 2019 on SupraForums.com