P1747 Engine Trouble Code
What is P1747?
P1747 code can indicate a faulty oxygen sensor, which may eventually damage the catalytic converter (repair cost: $2,000–$2,200). Professional diagnosis costs around $200–$210. Oxygen sensors are often straightforward to replace — check your owner's manual for location and instructions. This issue should be addressed promptly to prevent further damage.
Code Information
| Code Type: | OBD-II Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P1747 |
P1747 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
P1747 Code Structure
Understanding what each digit means in the P1747 powertrain trouble code:
| P | 1 | 7 | 4 | 7 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering | Fuel Rail Pressure Sensor Circuit Malfunction | Injection Pump Fuel Metering Control 'B' High | Shift/Timing Solenoid Malfunction |
How to Fix P1747
Diagnostic Steps:
Regarding P1747, carefully inspect the wire harness near the intake manifold bracket, best accessed from below near the oil filter. Look for chafing, pinching, or damaged insulation.
Repair Solution:
Brake switch circuit concerns may involve open or shorted BPP circuits, damaged switches, or misadjustment. Verify stoplight function and follow proper self-test procedures per service manual.
Technical Notes:
P1747 DTC indicating a sensor fault does not always mean the sensor itself is bad. The issue may stem from the systems being monitored or even the sensor wiring. Proper diagnosis is essential.
P1747 Description
P1747 engine trouble code is related to Shift/Timing Solenoid Malfunction.
Main Cause
The primary reason for P1747 OBD-II Engine Trouble Code is: Fuel Rail Pressure Sensor Circuit Malfunction.