The P0292: Cylinder 11 Injector Circuit High indicates that there is an issue with the electrical circuit responsible for controlling the fuel injector for cylinder 11, where the signal is higher than expected. This problem is typically caused by a shorted circuit in the wiring, a malfunctioning injector, or a faulty injector driver in the ECM. When this code appears, it can result in engine misfires, poor performance, and reduced fuel efficiency.
P0292 – Quick Overview
| Meaning | P0292: Cylinder 11 Injector Circuit High |
| Is it serious? | Yes, this code is serious as it can cause engine misfires, poor performance, and increased emissions. It should be addressed immediately to avoid further engine damage. |
| Possible causes | – Faulty cylinder 11 injector – Shorted circuit in the wiring – Faulty injector driver in the ECM |
| How to diagnose? | – Check the wiring and connectors for the cylinder 11 injector – Test the cylinder 11 injector for proper resistance – Inspect and test the ECM for fault codes related to injector driver |
P0292 Meaning
The P0292: Cylinder 11 Injector Circuit High code means that the electrical signal going to the fuel injector for cylinder 11 is higher than it should be. This could be caused by a short circuit in the wiring, a faulty injector, or a problem with the injector driver in the ECM. As a result, cylinder 11 may not receive the correct amount of fuel, leading to poor engine performance, misfires, and higher emissions.
Step-by-step diagnostic guide
Follow this step-by-step guide to diagnose and fix the P0292 error:
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for additional codes that could provide more information about the issue. | OBD-II Scanner |
| Inspect Cylinder 11 Injector | Visually inspect the cylinder 11 injector for signs of damage, corrosion, or loose connections. | Flashlight, Safety Gloves |
| Test the Injector | Use a multimeter to test the resistance of the cylinder 11 injector and compare it with the manufacturer’s specifications. | Multimeter, Manufacturer’s Specifications |
| Inspect Wiring and Connectors | Check the wiring and connectors leading to the cylinder 11 injector for any signs of wear, short circuits, or damage. | Flashlight, Multimeter |
| Repair/Replace Wiring | If there are signs of shorted or damaged wiring, repair or replace the wiring and connectors as needed. | Wire Strippers, Electrical Tape, Replacement Wires |
| Inspect the ECM | Test the ECM for any faults related to the injector driver. Reprogram or replace the ECM if necessary. | OBD-II Scanner, Multimeter |
| Clear Code and Test Drive | After making repairs, clear the P0292 code using an OBD-II scanner and take the vehicle for a test drive to confirm that the issue is resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
| Recheck for Codes | After the test drive, re-scan the vehicle to ensure that the P0292 code does not return. | OBD-II Scanner |
By following this guide, you can properly diagnose and repair the P0292 code, restoring the function of cylinder 11’s injector and improving engine performance.
I test OBD-II scanners and make DIY Engine diagnostics guides to help you solve your car problems without having to depend on the mechanic. A lot of them will try to scam you or are just no help at all. About Juraj Lukacko