P026C

Fuel Injection Quantity A Lower Than Expected

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

The engine is running erratically
Misfires
Power reduction
Increased fuel consumption
The Check Engine light comes on on the dashboard

Causes

Fuel injector clogged
Low fuel pressure
Fuel pump malfunction
Problems with the injector wiring harness
Engine ECU malfunction
Fuel filter dirty

How to Fix

Check the fuel pressure in the system
Clean or replace fuel injectors
Check the injector wiring harness for open or short circuit.
Replace the fuel filter
Check the operation of the fuel pump
If necessary, replace the engine ECU

Related codes

P026D P0201 P0171