P2DE1

Cold Start Fuel Injection Quantity C 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
Black smoke from the exhaust pipe
Difficulty starting the engine
Power Loss

Causes

Coolant temperature sensor malfunction
Problems with injectors (jamming, leaks)
Incorrect readings of the mass air flow sensor (MAF)
Throttle Position Sensor Malfunction
ECU software error

How to Fix

Check the coolant temperature sensor readings
Diagnose the condition of fuel injectors
Check the operation of the mass air flow sensor and throttle position sensor
Read engine operating parameters through a diagnostic scanner
If necessary, update the ECU firmware

Related codes

P0172 P0175 P2187