OBD Guide

P0253

Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)

P0253 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector). Common causes: fuel injection pump malfunction, damage to biecta pump control wires. Estimated repair cost: $56โ€“222.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“222 (est.)

Symptoms

  • Loss of engine power
  • Unstable engine operation
  • Problems starting the engine
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Fuel injection pump malfunction
  • Damage to BIECTA pump control wires
  • Problems with contacts in the control circuit
  • Engine control unit (ECU) malfunction
  • Mechanical damage to the rotor or pump chamber

How to Fix

  1. Check the condition of the wiring harness and contacts of the injection pump
  2. Measure resistance and voltage in the pump control circuit
  3. Check the mechanical condition of the injection pump
  4. If necessary, replace the injection pump
  5. Reflash or replace the ECU if it is suspected of being faulty

Error P0253 by Vehicle Brand

FAQ

What does the P0253 code mean?

P0253 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)

What causes a P0253 error code?

The most common causes of P0253 include: Fuel injection pump malfunction; Damage to BIECTA pump control wires; Problems with contacts in the control circuit; Engine control unit (ECU) malfunction.

How do I fix a P0253 diagnostic trouble code?

To fix P0253: Check the condition of the wiring harness and contacts of the injection pump. Measure resistance and voltage in the pump control circuit. Check the mechanical condition of the injection pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0253?

Limited driving only, diagnose soon

How much does it cost to fix P0253?

The estimated repair cost for P0253 is $56โ€“222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat