If the measured values are not achieved, check wiring harness for chafing and pinching damage.
3 Perform adaptation.
1. Switch on the ignition.
2. Wait one minute.
Do not press the accelerator.
3. Switch off the ignition for at least 10 seconds.
4. Read out the fault memory.
DME 7.8
P1228
153 Fuel Injector, Cylinder 4 - Below Limit
Diagnosis conditions
- Engine running
- Battery positive voltage greater than 7 V
Possible fault cause
- Short circuit to ground in wiring
- DME control module
Affected terminals
Terminal III/15
NOTE: Short to ground causes the fuel injector to be permanently open.
Diagnosis/troubleshooting