BOSCH Electronic Fuel Injection

• Application
• Description
  • Fuel System
  • Air System
  • Electronic Controls
  • Pressure Sensor
  • Air Intake Temperature Sensor
  • Coolant (Exhaust Port On VW) Temperature Sensor
  • Trigger Contacts
  • Throttle Valve Switch
  • Auxiliary Air Regulator
• Operation
• Trouble Shooting
  • Engine Cannot Be Started (Pump Inoperative)
  • Engine Cannot Be Started (Fuel Pump Operates)
  • Engine Can Be Started When Cold But Stalls
  • Engine Cuts Out During Operation (Normally Preceded By Misfiring)
  • Engine Runs Irregularly, One Cylinder Not Firing, Exhaust Gas White
  • Engine Misfires (Not Caused By Ignition System)
  • Engine Not Reaching Full Power
  • Fuel Consumption Too High
  • Engine Idles Erratically (Between 1000 And 2000 Rpm)
• Component Removal
  • Fuel Filter
  • Pressure Regulator
  • Injector Valves
  • Throttle Valve Switch
  • Temperature Sensors & Temperature Switch
  • Auxiliary Air Regulator
  • Cold Start Valve
  • Ignition Distributor Trigger Contacts
• Adjustments
  • Pressure Regulator
  • Throttle Valve
  • Throttle Valve Switch
  • Idle Adjustment
• Maintenance