| Main Action |
- Monitor to check if proper combustion is achieved
|
- Poor connector connection
- Air leakage or restriction in intake or exhaust system
- Improper fuel pressure
- Clogging of injector
- Faulty fuel system
- Faulty ignition system
|
| Prerequisite Condition |
- Counter for improper combustion detection is less than 10 counts
- Engine speed is between 32 and 8160 RPM
- Relative air charge is more than 0%
- No upstream oxygen sensor signal faults active (P013100, P013200)
- No downstream oxygen sensor signal faults active (P013600, P013700, P013800)
- Permission to enable combustion monitoring
- Powertrain operation mode is idle or partial load or full load
- Fuel cut-off not active state
- Injection time is more than 0.5 ms
- Downstream oxygen sensor voltage is less than 0.298V
- Upstream oxygen sensor voltage is more than 2.78V
|
| Threshold Value |
- Counter for improper combustion detection is more than 200 counter or
- Internal segment counter for bad combustion detection is more than 400 counter
|
| Diagnosis Time |
|
| MIL |
|