Engine Idle Speed Test
The test measures individual cylinder speed when idling. It is used to determine engine running imbalance or other engine problems.
No special tools are required to perform the test, no engine component disassembly is performed. This is pure OBD-II diagnostics test.
- 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 speed values are displayed (min-max during the test)
Coverage in SECONS diagnostic tools