P2947 Engine Trouble Code
What is P2947?
The P2947 check-engine light can indicate issues ranging from minor (loose gas cap) to serious (catalytic converter failure). Professional diagnostic scanning at a dealer or shop will identify the exact cause and required repairs.
Code Information
| Code Type: | OBD-II Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P2947 |
P2947 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
P2947 Code Structure
Understanding what each digit means in the P2947 powertrain trouble code:
| P | 2 | 9 | 4 | 7 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Injector Circuit Malfunction - Cylinders | Injection Pump Fuel Metering Control 'B' High | Shift/Timing Solenoid Malfunction |
How to Fix P2947
Diagnostic Steps:
Check if fuel pump primes when key is turned to ON. Measure fuel pressure and verify bright white-blue spark at all plugs. Also verify mechanical timing alignment.
Repair Solution:
A/C pressure sensor monitors refrigerant pressure changes. DTC sets when pressure change falls outside calibration. Verify A/C system function, refrigerant charge, and electrical connections.
Technical Notes:
For P2947, verify VCT solenoid operation. Look for stuck or sticking valves caused by contamination. Consult vehicle-specific repair manual for proper component testing procedures.
P2947 Description
P2947 engine trouble code is related to Shift/Timing Solenoid Malfunction.
Main Cause
The primary reason for P2947 OBD-II Engine Trouble Code is: Injector Circuit Malfunction - Cylinders.