The test measures individual cylinder injector correction amount. It is used to determine engine imbalance and injector failures.

No special tools are required to perform the test, no engine component disassembly is needed. This is pure OBD-II diagnostics test.

Test prerequisites:

  • Engine ON (running)
  • Engine idling (accelerator pedal not pressed)
  • Transmission must be in neutral
  • Engine warmed up to working temperature

Test procedure:

  • Run the test while engine is idling, the test automatically stops

Individual cylinder correction values are displayed (min-max during the test)

Understøttelse for Secons diagnosetestere: