Your browser does not support videoBoulder drivers know that engines need to burn fuel to operate. Fuel is pumped from your fuel tank to your family car engine where it is squirted—or injected—into your engine’s cylinders. This is the function...
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Professional Fuel System Cleaning

Getting adequate fuel to your engine is very important for performance, fuel economy and safety. In order to accomplish this, your fuel system needs to be clean. Today’s production cars have fuel injectors, rather than a carburetor. The injectors need...
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Introduction to Diesels for Boulder CO

Something you’re going to be hearing a lot about around Boulder, CO is diesel engines. We’re not talking about semi-trucks and buses – We’re talking about diesel engine cars, pick-ups and SUVs. Most people in Boulder, CO are surprised to...
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Fuel System Cleaning At John’s Auto Care

Is your car sometimes hard to start on an early Boulder morning? When you turn the key, does it hesitate or stutter? If so, the problem could be the result of a dirty fuel system. Your car's fuel system starts...
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Save on Gas – Clean Your Fuel Injectors

The last new car sold with a carburetor in North America rolled out of the dealership in 1990. Since then, all new vehicles have had fuel injectors. In very simple terms, a fuel injector is a valve that squirts fuel...
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Fuel Saving Tip: Auto Myths Around Boulder

With high fuel prices in Boulder CO comes lots of gas saving advice. Some of it, like what you hear on AutoNetTV, is really great. Some is myth. And some is just designed to prey on Boulder CO people desperate...
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Engine Air Filter From John’s Auto Care

You may have found yourself in the following situation: You go to get your oil changed and the service adviser at John's Auto Care recommends you get a new engine air filter. You say yes, but because you didn't know...
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Diesel Maintenance For CO

At John's Auto Care we hear from a lot of people who are excited about the new diesel engines that will soon be available in passenger cars and SUV's. But our CO friends are often curious about the preventive maintenance...
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Most of our Louisville clients want to save on gas and seek our advice on improving fuel economy. At John's Auto Care, we are frequently asked, however, just how much money Louisville motorists can actually save. Well the US government...
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John's Auto Care is an auto repair shop in Boulder, CO. Our mechanics treat every repair like it's our own car.

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