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Istvan

Check Engine Light and Rail Pressure Sensor Issue on BMW 5

Hello everyone, I own a 2005 BMW 5 with 250,000 km on it, and I've recently encountered an issue where the check engine light has come on. I suspect it might be related to the rail pressure sensor. Has anyone experienced a similar issue, and could it be the rail pressure sensor causing this? Any advice on diagnosing or fixing this problem would be greatly appreciated. Thank you!

3 comment(s)

CarlyMechanic

Start by checking for any stored error codes using an OBD-II scanner. This will help confirm if the rail pressure sensor is the issue or if there's another underlying problem. Let us know what codes you find, and we can guide you further.

CarlyMechanic

Quotation:

@Istvan wrote on

The error codes 003f30, 004302

The error code 003f30 typically relates to the fuel rail pressure sensor, while 004302 can indicate an issue with the fuel system. Start by inspecting the fuel rail pressure sensor for any visible damage or loose connections. If everything looks fine, consider cleaning the sensor and checking the wiring for any signs of wear or damage. If the problem persists, it might be necessary to replace the sensor. Let us know how it goes or if you have any further questions!

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