Engine and Exhaust
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Fuel Saving Tip from Northwest Automotive LLC: Gas Cap
This fuel saving tip for DEFIANCE residents is so simple you won't believe it. It has to do with your gas cap. The first thing is to make sure it's screwed on tight. If it's loose, gas vapor will be c...
Published on: Nov 09, 2025
Fuel System Service at Northwest Automotive LLC
Today's 
Northwest Automotive LLC post contains a quick overview of the fuel system. It starts with the fuel tank. The fuel pump is located inside the tank and pumps fuel out to the engine. Somewhere ...
Published on: Mar 07, 2024
Fuel System Cleaning At Northwest Automotive LLC In DEFIANCE
Fuel, whether gasoline or diesel, is delivered to your engine to be burned to generate the power needed to keep you moving. This fuel leaves a residue as it moves through your fuel system. ...
Published on: Aug 06, 2023
Better Service, Better Fuel Economy in DEFIANCE
Maintaining your car or truck will make it more efficient. It works the way it was designed to and that means it uses less fuel: And you save money.
To help organize our discussion, let&r...
Published on: Feb 08, 2023
Gasoline Direct Injection
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Question:My new car has a “GDI” engine. What does that mean to me and other DEFIANCE vehicles with this new type of engine?Northwest Automotive LLC Answer:GDI stands f...
Published on: Nov 18, 2022
Time To Take Another Look at Diesels
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If you haven't looked into diesel engines lately, you may be interested in today's post. Why should you care about modern diesel engines? Fuel efficiency, for starters. Because di...
Published on: Sep 16, 2022
Proper Grade of Gas
There are a lot of misconceptions about fuel grades – and by fuel grades I mean the octane rating. With names like “Standard," “Super," “Plus," and “Premium,” it&rs...
Published on: May 29, 2022
Simple Answers from Northwest Automotive LLC for DEFIANCE: Fuel System Service
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Question:What benefit will I get out of a fuel system cleaning?Northwest Automotive LLC Answer:Well, the dirtier your fuel system is, the bigger the improvement you'll see in perf...
Published on: Jul 19, 2021