Symptoms of P2543 OBD II Trouble Code
- Malfunction Indicator Light On
- Possible no start
- Longer than normal crank times
- Hesitation during acceleration
- Decrease in fuel economy
Common Causes of P2543 OBD II Trouble Code
- Open in the signal circuit to the FP sensor - possible
- Short to voltage in the signal circuit to the FP sensor - possible
- Short to ground in the signal circuit to the FP sensor - possible
- Open in power or ground at FP sensor - possible
- Failed fuel pressure sensor - likely
- Failed PCM - unlikely