LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 1992 >> Firebird V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Timing: Adjustments

Set timing under the following conditions:

^ Normal operating temperature.
^ Air cleaner installed.
^ A/C "OFF."
^ Transmission in neutral.
^ Disconnect SET TIMING connector (tan/black wire) located in harness close to distributor. DO NOT disconnect 4 wire connector at distributor.

Connect timing light and adjust as necessary by loosening hold down bolt and rotating distributor. Tighten hold down and recheck the timing. Stop the engine and connect SET TIMING connector. Clear ECM trouble code by disconnecting ECM power source.