P2145 Engine Trouble Code
What is P2145?
The P2145 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: | P2145 |
P2145 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
P2145 Code Structure
Understanding what each digit means in the P2145 powertrain trouble code:
| P | 2 | 1 | 4 | 5 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering (Injector Circuit Malfunctions Only) | Fuel Rail/System Pressure — Too High | Injection Pump Fuel Metering Control 'B' High | Crankshaft Position Sensor B Circuit Malfunction |
How to Fix P2145
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:
Disconnected, dirty, or fouled spark plugs commonly prevent proper engine operation. Replace spark plugs every season or 25 hours. Verify proper spark plug gap. If plugs are good, check ignition components: spark plug wires, coils, and ignition module.
Technical Notes:
Parts or components should not be replaced based solely on P2145 DTC. Consult your vehicle service manual for proper diagnostic procedures, possible causes, and required testing before replacement.
P2145 Description
P2145 engine trouble code is related to Crankshaft Position Sensor B Circuit Malfunction.
Main Cause
The primary reason for P2145 OBD-II Engine Trouble Code is: Fuel Rail/System Pressure — Too High.