P2DD8

Cold Start Fuel Injection Quantity B Higher Than Expected

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation at idle
Difficult cold start
Black smoke from the exhaust pipe
Loss of engine power

Causes

Malfunction of fuel injectors
Problems with the coolant temperature sensor
Contamination or malfunction of the mass air flow sensor (MAF)
Leaks in the fuel system
Problems with ECU software

How to Fix

Check the condition of the fuel injectors
Diagnose the coolant temperature sensor
Clean or replace the mass air flow sensor
Check the fuel system for leaks
Update ECU software

Related codes

P2DD7 P2DD9 P0172