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rb25det Odd bubbling noise

jSbr0
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jSbr0 Contributor

jSbr0

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Hey guys, I got home tonight and decided to top up my washer bottle then i noticed this strange sound coming from the rear of the engine around the last injector I know there are water lines around there. Ive had no leaks and no loss of coolant It's had after market injectors fitted but that was before i bought it 2 years ago Its also running a 044. Could it be fuel related? I do recall reading something ages ago about a similar noise and it had something to do with a aftermarket fuel pump? Maybe i'm way off and its trapped air in the cooling system? I got it on video

 

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