Engine Backfires Into Inlet System
- Check for correct distributor.
- Check for correct routing of secondary ignition wires.
- Check for faulty fuel injection system.
- Check power brake booster vacuum connections.
- Check heater/ventilation unit vacuum connections.
- Check crank case and fuel tank ventilation system.
- Check cylinder compression.
- Check for leaking gaskets.
- Check for faulty valves.