Over tens of thousands of miles, carbon and varnish build up on fuel injectors, intake valves and throttle bodies. The result creeps up slowly, a rougher idle, a little hesitation off the line, a drop in fuel economy you blame on the gas. A professional fuel system service at TAB Motors clears that build-up and brings the engine back. As one customer told us after his service: "I could actually feel the difference."

What a fuel system service does

Cleans fuel injectors so they spray in a fine, even pattern
Clears carbon from the throttle body and intake
Removes combustion-chamber deposits that cause knock
Restores smooth idle, crisp throttle response and MPG
Helps direct-injection engines that are prone to valve carbon

Signs your fuel system needs attention

If you're noticing a rough or surging idle, hesitation when you accelerate, harder cold starts, or a check engine light for a lean condition or misfire, the fuel system is a common culprit. We'll confirm with engine diagnostics before recommending anything, so you're only paying for a service you actually need.

Part of smart maintenance

A fuel system service pairs naturally with an oil change and a tune-up with fresh spark plugs. Together they keep a higher-mileage engine running clean and efficient, often for far less than people expect.

What happens next

Tell us what it is doing

Call (703) 243-3080, start a quote online, or stop in. What you hear or feel, and when, narrows things down before anything comes apart.

We look at the car

We check the actual parts rather than guessing from the symptom, and we tell you if the cause turns out to be something other than what you came in for.

You get the price first

We show you what we found, explain what is urgent and what can wait, and quote the work before we start. You are free to think it over or take the quote elsewhere.

We do the work

Once you approve it, the job goes ahead, backed by our 1-year warranty on parts and labor. Payment plans available for larger repairs.

You get the car back

Road tested where it matters, with a plain explanation of what was done and anything worth keeping an eye on.

What it costs

We don't publish a flat price for this, because an honest number depends on your specific vehicle and what we find. What we will do is tell you the price before we start, and not change it without talking to you first.

If we need to see the car before we can quote accurately, we'll say so rather than throw out a number we can't stand behind.

AAA members save

AAA members get 10% off labor, up to $75. Bring your card.

Backed for a year

1-year warranty on parts and labor.

Payment plans available

Spread the cost of a bigger job. Ask us in the shop.

Frequently asked questions

How often should I get a fuel system service?

Roughly every 30,000 miles is a good guideline, or sooner if you're feeling rough idle, hesitation, or dropping fuel economy.

Will this really improve my gas mileage?

When deposits are the cause of lost MPG, yes, a clean fuel system lets the engine burn fuel efficiently again. We'll be honest if we think something else is going on.

Is fuel injector cleaner from the store the same thing?

A bottle in the tank helps a little for maintenance, but it can't match a professional service that cleans the injectors, intake and combustion chambers directly.

My check engine light is on, could it be the fuel system?

It can be. We'll scan the codes and diagnose the real cause before recommending a service.

Fuel System Service in Arlington

What you get

Come in if you have