Powertrain
generic / SAE
P216B
Fuel Injector Group E Supply Voltage Circuit Low
The supply rail to fuel injector group B is below the lower threshold — fuse, relay, or supply harness fault.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 6B
Possible causes
- Fuse, relay, or wiring fault on supply high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–400 €
- Estimated time: 0.5–2 h
- Component: fuel injector group e
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012