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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1588 (Automatic Transmission - 5AT - Service, Diagnosis & Troubleshooting) >> Shift Speed Too Low

Shift Speed Too Low

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Shift Speed Too Low

Condition Action
DEFINITION: Engine RPM does not increase to high speed, and the transmission upshifts during low RPM condition with the engine at normal operating temperature
VTEC rocker arms inoperative Inspect the engine rocker arms. Refer to Valve Rocker Arm and Shaft Cleaning and Inspection .