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  HomeArticles/VideosTechnical BulletinsAlfa RomeoFuel & Emissions System >

Fuel Pumps and Contaminated Gas Tanks


Fuel Pumps and Contaminated Gas Tanks

The photo shows a returned Bosch pump we cut open; note the trash inside.

When your Alfa Romeo or Fiat fuel pump dies, consider that there may be a good reason besides old age: rust and other contaminants could be reaching the pump, which is a delicate and precise (and expensive) component.

As parts vendors, we see the following scenario over and over: a customer buys a fuel pump, installs it, it fails within a week or so, he sends it back, we open it up and it's full of rust and scale from the customer's car. Please note that we cannot issue a refund or credit in such cases. Fuel pumps--especially the sophisticated, higher-pressure ones used in fuel-injected cars--simply cannot survive the ingestion of rust and scale.

To be safe, you must replace any filter(s) that are upstream of the pump before installing a pump. If you have any reason to believe your tank is rusty, you need to replace it or have it professionally cleaned and sealed.

Replacement Parts:

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All Technical Bulletins and Tech Tips contained on this website are based on our own experience, and are not necessarily "factory approved." While we make a reasonable effort to verify the information contained in them, we assume no liability for the use or misuse of the information offered.

*Overseas customers please note that our entire website is based on US-spec cars, as sold before the manufacturer left the US market: up to 1985 (Fiat/Lancia) and 1995 (Alfa Romeo). We do not carry parts for current models.