Archive & reference hub
MK3 / A70 markets
Manuals, parts, data

Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Diagnostic codes
Searching in 1990 USDM TSRM.
Areas
Step-by-step TSRM procedure

Difficult to start / no start — engine will not crank or cranks slowly

Follow the TSRM flowchart from FI-11. Choose OK, BAD, NO, Normal code or Malfunction code as shown in the manual.

Previous checks
DoneCheck power source
You chose: BAD
Go back here
Check power source.
Result
Power source fault
Check battery connection, gravity / drive belt / charging system, voltage and fusible links.
Final result after choosing BAD

Power source fault

Check battery connection, gravity / drive belt / charging system, voltage and fusible links.