P0292 code: Cylinder 11 Injector Circuit High
P0292 means cylinder 11 Injector Circuit High. The code says where to look, not what failed — the fix depends on which cause your car actually has.
What P0292 means
The high-side counterpart to P0291, this code sets when the ECM finds voltage above the expected range on the cylinder 11 injector control circuit — and like its sibling, it can only occur on engines with eleven-plus cylinders, effectively V12s. Typical high-side causes are a short to battery voltage in the harness or resistance added by corrosion at the connector, a deteriorated terminal, or an injector winding that has failed open. The monitor evaluates electrical behavior only, which cleanly separates this from a clogged injector: deposits block fuel mechanically and would produce a misfire code without a circuit code. Diagnosis on a V12 leans on its abundance of identical circuits — compare cylinder 11's injector resistance and connector condition to any healthy neighbor. Expect P0211 (circuit) and P0311 (misfire) as related codes. Verify which physical cylinder is number 11 on your engine, as twelve-cylinder numbering conventions vary by manufacturer.
P0292 symptoms
- Cylinder 11 misfire, usually masked by the remaining eleven cylinders
- Subtle loss of smoothness or a faint tick in the exhaust note
- Marginal power and economy reduction
- Check-engine light; flashing means active misfire
- Often stored with no felt symptoms when the fault is intermittent
What it costs to fix P0292
Typical range: $60–$450 · about ~0.5–2 hrs of labor
| If the cause is… | Part | Labor |
|---|---|---|
| Fuel injector (single) | $50–$300 | ~0.5–2 hrs |
| Wiring/connector repair | $5–$50 | ~0.5–2 hrs |
On V12s the labor dwarfs the parts for anything buried under the intake, and direct-injection injectors for these engines are premium items — plan for the top of the range unless the fault turns out to be an accessible connector.
The price swings on which cause it turns out to be — so confirm the cause before paying. Diagnose P0292 for my exact vehicle →
How to fix P0292
Advanced — usually a shop job unless you’re well equipped
- Check for a connector disturbed during earlier work
On a V12, coil, plug, or plenum work puts hands right beside the injector connectors, and an injector 11 plug knocked loose or a harness clip left undone is a common result. If P0292 appeared after recent service, inspect cylinder 11's connector latch, seating, and routing first — it's the cheapest fix there is.
- Read injector 11's winding resistance
Unplug injector 11 and measure across its terminals, then repeat on a neighbour. An open reading (OL) or a value far above the rest means the winding has failed and the injector is the repair. If 11 reads like its neighbours, plug it back in and turn your attention to the wire and terminals between it and the module.
- Know which injection system you're testing
Some twelve-cylinder engines use direct injection, where the module drives each injector at high voltage. On those, don't back-probe or jumper the injector circuit casually — use the service manual's procedure and specified test equipment. Port-injected engines can be checked with an ordinary meter and noid light.
- Search the cylinder 11 circuit for a live feed
With the injector and module connectors unplugged and the ignition on, the control wire should read zero volts. A reading close to battery voltage means it has rubbed through into a powered wire; check bundles where the injector loom runs alongside coil supplies or crosses the rear of the engine, and repair with soldered, sealed splices.
- Replace injector 11 with matched parts and new seals
Once the injector is condemned, follow the service procedure for fuel-pressure relief and rail removal, and fit every seal new. Some direct-injection systems also need the replacement's calibration code entered with a scan tool; skipping that step can leave that cylinder's fueling slightly off even after the code clears.
DIY or shop? A home mechanic can safely handle the first two checks — connector seating and a resistance reading on a port-injected engine — and those alone settle many cases. Beyond that, a V12's packaging, possible direct-injection high voltage, and the need for new seals and sometimes injector coding push the repair toward a specialist. If the engine is direct-injected or the fault lies inside the harness, let a shop with the right service information and scan tool take over.
Tools for the DIY steps: Digital multimeter · Service manual for your engine · Scan tool with injector coding · Injector seal kit · Wiring repair kit
Not sure which step applies to your car? Get the likely cause for your exact vehicle before buying anything for P0292.
Start a case with P0292 and your car. Redline weighs these causes against what your car shows, and names the check that would settle it before you buy parts.
Can I drive with P0292?
Redline can’t determine from a symptom or code alone whether your car is safe to drive.
P0292: common questions
What separates P0292 from P0291?
Only the direction of the voltage fault on the same cylinder 11 circuit. P0292 means the voltage ran high — open circuit, corrosion resistance, or a short to battery voltage. P0291 means it ran low — short to ground or shorted injector coil.
Could this just be a dirty connector?
Quite possibly. Corroded or fretted connector pins are a leading cause of circuit-high codes, and on a V12 the connector is far cheaper to service than anything requiring intake removal. Inspect and clean the cylinder 11 connector before committing to bigger jobs.
Why is it intermittent on my car?
Marginal connections respond to heat, humidity, and vibration — conducting normally most of the time and faulting occasionally. That pattern points strongly at the connector or a chafed harness section rather than a cleanly failed injector, which tends to fault consistently.
Can I drive with P0292 while awaiting parts?
A code alone can't settle that. The cost of waiting isn't breakdown — it's cumulative catalytic converter damage from unburned fuel, and V12 exhaust systems are extremely costly, so push for the repair promptly. A flashing check-engine light means stop driving until repaired.
Related trouble codes
Don’t have a scanner yet? A ~$25 Bluetooth adapter reads codes like P0292 from your phone. See our guide to the best OBD2 Bluetooth adapters. Run a repair shop? See Redline for shops.
Generic OBD-II reference. Manufacturer-specific behavior varies. Confirm with a scan tool and, for safety-related codes, a professional inspection. Cost ranges are reference ranges, not quotes.
Seeing P0292 on your car?
Every problem becomes a Case. Tell Redline what the car is doing: it shows what the evidence supports, what’s still missing, and what to check next, before you approve a repair.
“Inner pad ~1 mm. Outer pad 3 mm.”
Next: check the slide pins move freely before buying parts.