The P216A: Fuel Injector Group ‘E’ Supply Voltage Circuit/Open refers to an issue where the supply voltage circuit for fuel injector group ‘E’ is open or malfunctioning. This could be caused by an open circuit, faulty injectors, wiring problems, or power supply issues.
P216A – Quick Overview
| Code | Information |
|---|---|
| Meaning | P216A: Fuel Injector Group ‘E’ Supply Voltage Circuit/Open |
| Is it serious? | Yes, this can cause performance issues, misfires, or affect engine operation. |
| Possible causes | – Open circuit in the fuel injector group ‘E’ supply voltage – Faulty fuel injector group ‘E’ – Wiring or power supply issues |
| How to diagnose? | – Inspect the fuel injector group ‘E’ supply circuit for open connections – Test the fuel injector group ‘E’ – Check wiring and power supply for faults |
P216A Meaning
The P216A: Fuel Injector Group ‘E’ Supply Voltage Circuit/Open code indicates that the engine control module (ECM) has detected an open or fault in the voltage supply circuit for fuel injector group ‘E’. The fuel injectors are responsible for delivering fuel into the engine, and any issues in the supply circuit can cause improper fuel delivery, resulting in engine performance issues like misfires, rough idling, or failure to start.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for other related codes that may provide further information about the issue. | OBD-II Scanner |
| Inspect Supply Circuit | Visually inspect the fuel injector group ‘E’ supply voltage circuit for open connections, damaged wires, or signs of corrosion. | Flashlight, Safety Gloves |
| Test Fuel Injector Group ‘E’ | Use a multimeter or diagnostic tool to test the fuel injectors in group ‘E’ for proper functionality and ensure the voltage supply is within manufacturer specifications. | Multimeter, Diagnostic Tool |
| Check Power Supply and Wiring | Inspect the power supply and wiring for the fuel injector group ‘E’ to ensure there are no issues with the voltage being supplied to the injectors. | Multimeter, Wiring Diagram |
| Repair or Replace Faulty Components | If any issues are found with the wiring, connectors, or fuel injectors, repair or replace the faulty components as necessary. | Replacement Parts, Tools |
| Clear the Code and Test Drive | After repairs, clear the P216A code using an OBD-II scanner and take the vehicle for a test drive to ensure the issue has been resolved. | OBD-II Scanner |
| Recheck for Codes | After the test drive, re-scan the vehicle to ensure the P216A code does not return. | OBD-II Scanner |
Free PDF: How to choose OBD2 scanner
I’ve made you a free PDF to choose the OBD2 scanner in 5 minutes.
✅ Which OBD2 scanner is best?
✅ Which type should you get (DIY, Pro, Hobby)
✅ What is the best scanner for the exact brand/feature (e.g best for BMW)
✅ How to get a Bi-Directional tool for as cheap as $40
✅ Discount coupons for scanners
PDF is 100% free and it is designed to help you pick a scanner in less than a few minutes! Not a boring 50-page guide.
Just tell me where to send it.
Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)