What does P2149 mean?
OBD-II Code P2149 is defined as a Fuel Injector Group “B” Supply Voltage Circuit/Open. The engine computer (PCM) controls the signal to the fuel injectors in groups of two. If the PCM detects one or both of the fuel injectors in that group are not functioning properly, the PCM will set code P2149.
How do I know if my 6.6 Duramax has bad injectors?
Symptoms of Failing Duramax Fuel Injectors
- Excessive Smoke.
- Power Loss.
- Rough Idle.
- Fuel in Oil.
- High Return Fuel.
- No Start.
What is the ice pick fix Duramax?
The “Ice Pick” fix— you use an icepick to press on the injector terminal connector through to the terminal. It raises a small dimple inside the terminal to make better contact with the injector terminal.
How do I fix error code P2149?
How To Correct P2149 Fuel Injector Group ‘B’ Supply Voltage Circuit/Open
- Repair or replace the engine control unit.
- Repair or replace the fuel injector.
- Repair or replace faulty diagnostic tools.
- Repair or replace the PCM.
How do I fix code P0208?
What repairs can fix the P0208 code?
- Replacing the ECM.
- Replacing the cylinder 8 fuel injector.
- Repairing the wiring harness.
- Fixing connection issues.
Can you override limp mode?
All you have to do is waiting for about half an hour before you reconnect it. The underlying step is likely to reset the transmission memory on the whole. Once you restart the car after effective reconnecting, the limp mode would deactivate on its own.
Where is cylinder 7 on a Duramax?
Counting from the front of the engine to the back, cylinders 1, 3, 5 and 7 reside on the passenger-side cylinder head, while the driver side contains cylinders 2, 4, 6 and 8.
How reliable are L5P Duramax?
Duramax L5P Reliability The L5P is considered the most reliable post-emissions Duramax made to date. With the removal of the CP4. 2 fuel injection pump and various improvements made to the block, pistons, and other internals, the engine itself is extremely capable and reliable.