John's Automotive Care
6267 Riverdale St San Diego, California 92120| (619) 280-9315

General / Misc

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Cold Facts about Heaters

Brrrr.  It's cold outside.  And if your vehicle's heater isn't working, then it's cold inside too.  No fun – and potentially dangerous: heat is needed to defrost your windshield.&...
Published on: Jul 06, 2025

The Smell of Danger (What Causes Gasoline Odors)

A driver recently noticed that her garage had begun to smell like gasoline after she parked her vehicle inside. Her Check Engine light had also just come on. This was something she'd never experienced...
Published on: May 18, 2025

Supplemental Restraint System – Airbags

After they’ve had an accident, some people wonder why their airbags didn't go off. Movies and television lead us to believe that airbags go off with the slightest bump. The reality is much more ...
Published on: Dec 08, 2024

Don't Blow a Gasket! (Valve Cover Gasket Replacement)

When you head out to your vehicle after it's been parked and notice oil leaking underneath it, that's something to have looked at right away.  Oil leaks mean your oil level is probably low, and r...
Published on: Oct 27, 2024

The Pros of Pros (Let Us Do It For You)

Modern vehicles usually have four wheels, a steering wheel, and an engine, just as they have for decades.  But an awful lot has changed since the days of carburetors and drum brakes.  The ad...
Published on: Aug 04, 2024

The 20.9 Percent Factor (Oxygen Sensor)

Do you know what gas makes up 20.9% of the air we breathe? It's oxygen.   Oxygen is an important part of the combustion process that enables your engine to make power.  The amount of ox...
Published on: Jun 30, 2024

Don't Be a Stranger

You wouldn't walk into a different dentist's office every time you needed a tooth looked at.  You wouldn't pick out someone at random every time you needed your hair cut.  And on Tax Day?&nb...
Published on: Nov 29, 2023

MAF Sensor

Air and fuel are mixed together to be burned in your engine. You request how much of each you need by how hard you press on the accelerator, by going up or down a hill or by how much you are carrying ...
Published on: Jan 13, 2023