P2147 code indicates a low voltage condition in the fuel injector Group A supply circuit.
P2147 Fuel Injector Group A Supply Voltage Circuit Low
Code symptoms P2147.
– Engine misfire
– Rough idling
– Decreased fuel economy
– Illuminated check engine light
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2147.
1. Faulty fuel injector.
2. Wiring issues .
3. Injector driver circuit problem.
4. Engine controller (ECU) fault.
5. Power supply issues.
Code Solutions P2147.
1. Check the wiring harness and connector for any damage or corrosion, and repair or replace as needed.
2. Inspect the fuel injector for any signs of damage or leakage, and replace if necessary.
3. Test the fuel injector using a multimeter to ensure it is functioning properly, and replace if it is faulty.
4. Check the fuel injector fuse and relay to make sure they are in good condition and providing the correct voltage.
5. Perform a diagnostic scan using a professional scan tool to pinpoint the exact cause of the low supply voltage and take appropriate action based on the results.