Possibly bad seals on the filter. Had one earlier this year that would do the same. Changed the filter for a Bosch model and the problem went away.
Pros: problem went away
Cons: bad seals
Vehicle:
Renault Kangoo
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I replaced my fuel filter/regulator with a new one from Bosch, and the little rubber fuel injection hoses connected to it.
After I cycled ignition like 5 times to build fuel pressure it started to make this sound.
Struggled a bit after starting it but after 20 seconds settled and it now drives good.
Car feels solid no lack of power or nothing.
I dare to say it even drives better than before.
Pros: drives better than before, car feels solid
Cons: struggled a bit after starting
Vehicle:
BMW
I do the air filter every second service (12k) and the fuel filter every 18k, or third service.
Pros: easy DIY job
Mileage: 18000 km
the inlet side of the filter being completely gunked with black varnish.
Cons: gunked with black varnish
Vehicle:
Volkswagen
Start by replacing the ancient NAPA fuel filter, and only use a Bosch version.
Vehicle:
Volkswagen
I’m on my 2nd fuel filter this week, was getting a bit of black smoke out of the exhaust so dumped injector cleaner directly into the old one and revved the stones off it . Big clouds of black smoke! Then changed the fuel filter for a fresh Bosch one and exhaust is back to normal now.
Pros: exhaust back to normal
Cons: black smoke out of exhaust
Vehicle:
Skoda Octavia
VDO is OE and can be got for €120~. Get a fuel filter for €15 from Bosch, part of your maintenance anyway.
Pros: affordable price, easy maintenance
Recently, (about 2 weeks ago) I did a new fuel filter, new spark plugs, new plug wires, new distributor rotor and cap.
Bosch is not as good as it used to be because they want to get into the DIY market. As far as their fuel filters, I do not think you will go wrong.
Pros: fuel filters are okay
Cons: not as good as it used to be
New Bosch fuel filter: A trick I've done on other cars, is opposed to running endless wiring looms up into the rain tray, across to the ecu box (the into the cab entry point) which pop into the OEM rats nest above the pedals is find the sweet spot from the fenders into the cab.
Pros: organized, prevents rats nest
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What we know about Bosch fuel filter
The brand is registered in Germany.
In March 2026, PartReview users have a positive opinion of Bosch fuel filter.
PR Score — 80 out of 100, based on 14 reviews and 45 votes. 10 positive reviews, 3 neutral reviews, 1 negative review. Average rating — 4.1 (out of 5). Vote balance: 36 up, 9 down.
In the ranking of the best fuel filter this part is at position 3, behind Mahle and OEM Volkswagen , but ahead of Mann and Wix.
Users also evaluated the qualities of Bosch fuel filter:
- Power - car struggles to accelerate, especially at high rpm - rated ambivalently. 3.2 points out of 5.
- Hesitation - jerks or surges while cruising, making driving uneven - rated ambivalently. 3 points out of 5.
- Starting - hard starts, particularly after the car has sat - rated ambivalently. 3 points out of 5.
Fuel filter Bosch in car-specific ratings
Other car-specific ratings this part participates in:
- Bosch ranks #5 for: Volkswagen Jetta .
Fuel filter Bosch in comparisons
There are 4 comparisons of Bosch fuel filter with other manufacturers on PartReview.
In particular, see which fuel filter are better: Bosch or Mahle, Mann or Bosch, Bosch or OEM Volkswagen, Bosch or Wix .