P0252 — Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)

What Does P0252 Mean?

P0252 is a diagnostic trouble code indicating: Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector). This code relates to the fuel injection system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0252

⚠️ Check Engine Light (MIL) illuminated
⚠️ Injection Pump Fuel Metering Control A not operating within expected parameters
⚠️ Reduced efficiency or performance of related system
⚠️ Engine hesitation or stumble

Common Causes

🔍 Injection Pump Fuel Metering Control A degraded or contaminated
🔍 Mechanical wear or binding in Injection Pump Fuel Metering Control A
🔍 Incorrect Injection Pump Fuel Metering Control A installed (wrong part number)
🔍 Related system mechanical issue affecting Injection Pump Fuel Metering Control A readings

Frequently Asked Questions

What does P0252 mean?

P0252 indicates: Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector). The vehicle's computer has detected that the Injection Pump Fuel Metering Control A is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0252?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P0252 for extended periods may cause additional problems.

How much does it cost to fix P0252?

Repair costs for P0252 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 Injection Pump Fuel Metering Control A
🔧 Replace degraded Injection Pump Fuel Metering Control A
🔧 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.

P0252: Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)