P050D

Cold Start Rough Idle

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Rough idle on cold start
Engine stalls on cold start
Floating speed

Causes

Throttle valve contamination
Coolant temperature sensor malfunction
Problems with fuel injectors
Idle air control malfunction
Intake system contamination

How to Fix

Check and clean the throttle valve
Check coolant temperature sensor
Check fuel injectors
Check idle air control
Carry out diagnostics of the engine management system

Related codes

P0507 P0506 P0128