P03F7: B Camshaft Position Actuator Position Sensor C Range/Performance Bank 1

Severity

High

System

Ignition System

Last reviewed: Jan 1, 0001 Last updated: Jan 1, 0001

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does P03F7 Mean?

P03F7 is a diagnostic trouble code indicating: B Camshaft Position Actuator Position Sensor C Range/Performance Bank 1. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P03F7

⚠️ Check Engine Light (MIL) illuminated
⚠️ B Camshaft Position Actuator Position Sensor C not operating within expected parameters
⚠️ Reduced efficiency or performance of related system
⚠️ Engine misfires or rough running

Common Causes

🔍 B Camshaft Position Actuator Position Sensor C degraded or contaminated
🔍 Mechanical wear or binding in B Camshaft Position Actuator Position Sensor C
🔍 Incorrect B Camshaft Position Actuator Position Sensor C installed (wrong part number)
🔍 Related system mechanical issue affecting B Camshaft Position Actuator Position Sensor C readings

Frequently Asked Questions

What does P03F7 mean?

P03F7 indicates: B Camshaft Position Actuator Position Sensor C Range/Performance Bank 1. The vehicle's computer has detected that the B Camshaft Position Actuator Position Sensor C is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P03F7?

Only short distances if absolutely necessary. P03F7 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P03F7?

Repair costs for P03F7 typically range from $50 to $250, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and clean B Camshaft Position Actuator Position Sensor C
🔧 Replace degraded B Camshaft Position Actuator Position Sensor C
🔧 Check for related mechanical issues affecting readings

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P0304 Cylinder 4 Misfire Detected P0305 Cylinder 5 Misfire Detected P0306 Cylinder 6 Misfire Detected P0307 Cylinder 7 Misfire Detected P0308 Cylinder 8 Misfire Detected P0309 Cylinder 9 Misfire Detected