Raul's Auto Repair
rauls auto repair 520 E Rue Royale st , Covina CA 91723 626-257-3066

Engine and Exhaust

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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

Diesel Engines

{{ image('MzU0') }} When someone mentions diesels around covina, images of smoky, rattly trucks may spring to mind. The fact is that the modern, clean diesel engine is much more refined than in the o...
Published on: Dec 27, 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: 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

Forced Induction

{{ image('MzU0') }} Most covina residents associate turbochargers and superchargers with hot rods and racing. However, the number of everyday cars and trucks coming to covina from the factory with ch...
Published on: Nov 05, 2020