Diagnosing electrical faults

Odometer
79,980
Maintenance Date
08/30/2019
Maintenance Summary
  • Troubleshooting: engine stalls after a short time.
  • HKZ control unit checked.
  • Fuel pump and lines checked.
  • Control and system pressure of K-Jetronic determined and compared with target values – OK.
  • Distributor wiring checked – OK.
  • Ground connections on body checked – OK.
  • Fuel pump and pre-supply pump checked.
  • Fuse box removed.
  • Diagnostic circuit installed for detection of engine control activation.
  • Temporary engine control wiring created and installed, test run carried out.
  • Fault traced to main power supply of vehicle electrical system.
  • Fault repaired (newly connected).
  • Test drive performed.
Maintenance Images