Tuning Problems

Usually involves mileage or drive ability problems

Mileage

• Make sure basic tuning is current. Ie plugs, wires, filters
• Cracked or broken vacuum lines
• If problem persists electronic diagnostics may be called for

Drive ability

• Basic tuning as above
• Idle problem, under load, cruising speed
• Fuel clean? (Use only non alcohol based injector cleaner)

Typical V8 Firing Order (example only)
1,8,4,6,5,7,2

Typical Distributor/Points Ignition (example)