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Help !!!!!!

can anyone help me , I have a leaking fuel injector and was wondering if it will need replacing or could it just be a rubber seal ?????
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Re: Help !!!!!!

Originally Posted by gary jones 123 View Post
can anyone help me , I have a leaking fuel injector and was wondering if it will need replacing or could it just be a rubber seal ?????
First off hi and welcome to the friendliest and best Alfa site in the world.

Fuel injection systems are either diesel or petrol, but within those groups they are essentially identical across most cars

I have no experience of diesels so all below relates to petrol engines.

What EXACTLY do you mean by "leaking".

If you have fuel leaking out to atmosphere from the injector then I think replacement is the only option.

If however you have removed one or more injectors and fuel is bypassing the shut off valve and allowing it (the fuel) to pass when the engine is not running and end up in the inlet tract, then there may be a solution.

There are products available to "clean out" injectors suffering such problems.

We used one at a BMW workshop I worked in and it involved a large pressurised cannister of cleaning agent that was set up to feed the fuel supply line then the engine was run on the contents of that cannister, ticking over, till it ran out.

This normally worked well and cleaned out the system, stopping any valve leaks.

As both BMW and Alfa use Bosch systems (as do many other makers) then if you can find this service (say at an Alfa Specialist) then it could be a fix.

If you have not removed the injectors what are the symptoms? why do you think there may be a leak?



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