P2DD5

Fuel Injection Quantity B Lower Than Expected

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Dips during acceleration
Check Engine Light Illuminates

Causes

Dirty or faulty fuel injectors
Low pressure in the fuel system
Problems with the fuel pump
Faulty wiring to the injectors
Problems with the engine control unit

How to Fix

Check the pressure in the fuel system
Clean or replace fuel injectors
Check the condition of the fuel pump
Check the integrity of wiring and connectors
Scan the ECU for additional errors

Related codes

P2DD4 P2DD6 P0172