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The engaging performance your A4 had when it left the manufacturer is in jeopardy when the fuel injector is clogged or faulty. It also affects your fuel economy and emissions, causing surges and bucking. An Audi A4 fuel injector replacement from AutoZone is your best bet for restoring confidence in your car.

We're sorry, but there are no results in this parts category for Audi A4. Please select another vehicle or click on the Parts tab at the top of the page to see the available parts for this vehicle.

Knocking sounds coming from under the hood are always a bad sign, and if they're being caused by a defective fuel injector, it has the potential to lead to catastrophic engine failure. Oil thinning and hydro lock are also likely to be fatal for your engine. Before things get to that point, purchase and install a fuel injector replacement for Audi A4 from AutoZone. We sell the right products at the right prices, and we offer a Loan-a-Tool Program to make your repair jobs easier.

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