GM Service Manual Online
For 1990-2009 cars only

High Lock Effort Between the Off Lock Positions for Isuzu S/T Isuzu - 2WD 2000

Condition

Action

There is a burr on the tang of the shift gate.

Remove the burr.

The lock cylinder is faulty.

Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .