i30 Owners Club

GOT PROBLEMS OR ISSUES? => DIESEL => Topic started by: Stub Mandrel on February 07, 2025, 20:04:26

Title: P1186 OBD2 CODE
Post by: Stub Mandrel on February 07, 2025, 20:04:26
Hi, I've had a few issues with engine light for a few days and limited to 3000rpm. Then it cleared. On two occasions the engine stopped and I had to coast to a haltsnd restart.

Last winter I had occasional issues with the 'water in fuel filter light' during wet weather, I was told this was probably just a sticky sensor and it resolved itself.

Reading posts here it seems that it's low fuel pressure and the filter is probably the issue.

I have a 2014 i30 1.6 diesel. There seem to be different filter types.

Which is the best type to get, is it likely to fix my issue and can I change it myself?

Thanks, Neil
Title: Re: P1186 OBD2 CODE
Post by: Cry-30 on February 08, 2025, 23:19:55
Mine was indeed the Fuel filter. I grabbed a Mann from ECP (As Opie Oils sent me an incorrect one - and are still advertising the wrong one for it).

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