P2148 refers to an issue in the fuel injector group A supply voltage circuit where the voltage level is above the normal range, indicating a high voltage problem.
P2148 Fuel Injector Group A Supply Voltage Circuit High
Code symptoms P2148.
1. Engine misfire
2. Rough idle
3. Decreased fuel efficiency
4. Illuminated check engine light
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2148.
1. Faulty fuel injector.
2. Wiring issues.
3. Faulty power supply or relay.
4. ECU (Engine Control Unit) malfunction.
5. Short circuit or electrical interference.
Code Solutions P2148.
1. Check the wiring and connections for any signs of damage, fraying, or corrosion. Repair or replace any faulty wiring or connections.
2. Inspect the fuel injector for any signs of damage or malfunction. Replace the fuel injector if necessary.
3. Test the fuel injector control module for proper functioning. Replace the module if it is faulty.
4. Verify the power supply to the fuel injector group A and check for any voltage irregularities. Correct any power supply issues.
5. Clear the diagnostic trouble codes stored in the vehicle’s computer system and reset the system to see if the issue persists. If the code reappears, further diagnosis may be needed.