Engine and Exhaust
Alt + /
Fuel Saving Tip from Raul's Auto Repair: Gas Cap
This fuel saving tip for Covina 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 con...
Published on: Jul 05, 2023
Fuel System
I’d like to give you 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 alo...
Published on: Apr 10, 2023
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: Oct 16, 2022
Gasoline Direct Injection
{{ image('MzU0') }}
Question:My new car has a “GDI” engine. What does that mean to me and other Covina vehicles with this new type of engine?Raul's Auto Repair Answer:GDI stands for Gasol...
Published on: May 16, 2022
Your Nose Knows Gasoline
Each time we fuel up our vehicles, we get a little whiff of gasoline, so the smell is very familiar. There shouldn’t be any gasoline smell in or around your vehicle when you are away from the ga...
Published on: Jan 01, 2022
Fuel Saving Tip: Fuel System Cleaning at Raul's Auto Repair in Covina
A lot of gas is wasted in dirty fuel delivery systems. Let’s start at the tank. The gas tank gathers of dirt, rust and sediment over the years. That’s why there’s a...
Published on: Dec 28, 2020
Fuel System Service at Raul's Auto Repair
Today's 
Raul's Auto Repair 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 along ...
Published on: Oct 20, 2020
Better Service, Better Fuel Economy in Covina
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: Mar 04, 2019