Troubleshooting P0030 Fuel Pressure Sensor Circuit Malfunction Code

The P0030 is an OBD trouble code that refers to the engine's primary oxygen sensor malfunctioning. Detailed information on troubleshooting and repairing a P0030 DTC code which refers to a problem in the HO2S heater control circuit. Most likely just the sensor. If BOTH sensors throw the heater code you have a blown fuse. 2007 ... XJ ( X351 ) - (P0030) Heated oxygen sensor Bank 1 Sensor 1 location & part # - Hi all, It's been a while since my last post. Check your harness connections. No bent or fouled pins, or torn insulation. There are resistance values between the ecu and harness. Check under. Tie wrap label (P0030) How To Reset OBD Codes? OBD 2 Scanner: https://amzn.to/4c1jtZj ▶︎ To find the right Oxygen sensor: https://amzn.to/4cDoasx ▶︎ Do you want to ... Find your TRQ parts here: http://1aau.to/m/ETCG0030 Eric the Car Guy is here! He's visiting TRQ to explain check engine codes to you! Folks, I managed to replace the pre-cat O2 sensors today without much trouble. However, after the replacement, I seem to be getting the MIL ... The code corresponds to the heating circuit of the oxygen sensor. I have been able to find out through other sites that apparently it is a fairly common ...