Injector Circuit Malfunction - Cylinder 5
The P0205 code means the vehicle's onboard diagnostic system has detected: Injector Circuit Malfunction - Cylinder 5. This is a serious severity code.
- Keep driving?
- Limited driving only
- DIY difficulty
- medium
- Estimated cost
- $25-$400
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What Are the Symptoms of P0205?
- Check Engine Light on
- Cylinder 5 misfire
- Rough idle especially on V6 or V8
- Power loss
- Fuel odor
What Causes P0205? (Most Likely First)
- Wiring fault at cylinder 5 injector Very High
- Failed cylinder 5 injector High
- Corroded connector at injector 5 High
- PCM driver fault for cylinder 5 Moderate
Can I Still Drive with P0205?
Limited driving only. P0205 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
Where is cylinder 5 on a V6 or V8?
On a V8, cylinder 5 is typically the first cylinder on the passenger-side bank (Bank 2, front). On a V6, location varies. Always consult a firing order diagram for your specific engine rather than guessing.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P0205?
-
Locate cylinder 5 on your engine layout (varies by manufacturer).
-
NOID light test.
-
Injector resistance check (11-17 ohms for high-impedance).
-
Wiring harness inspection, particularly near heat sources.
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
P0205 on Diesel, EV & Equipment
The same code ID appears across other engines and platforms. The diagnostic flow varies by manufacturer — these are the platform-specific breakdowns:
Which Vehicles Commonly Get P0205?
- Ford F-150 (4.6L and 5.4L V8/V6)
- GM 4.3L V6 and 5.3L V8
- Dodge RAM 5.7L HEMI
- Toyota Tundra 4.7L V8
- Jeep Grand Cherokee 4.7L
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