DeMers Automotive
1533 N Main St | Longmont, Colorado 80501

General / Misc

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Auto Repair Ethics in Longmont

We’re going to be talking about the ethics of automotive repair.  Unfortunately, every profession has some bad actors that hurt the reputation of everyone else.  In the automotive worl...
Published on: Nov 23, 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: Nov 02, 2025

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: Jul 20, 2025

Tips on TPS (The Throttle Position Sensor)

When you step on the accelerator, you expect your vehicle to speed up, not slow down.  But, what if it doesn’t?  That can be a big problem. The answer may be a problem with the sensor...
Published on: Jul 13, 2025

The Foggiest Idea (Fogged Windows in Cold Weather)

In cold weather, you may notice your windows fogging up. Then you can't see where you're going, and suddenly you and those around you are in danger. So, what causes your windows to fog up in cold weat...
Published on: Jun 22, 2025

Getting Off to a Running Start (Starter Replacement)

When you start your vehicle’s engine, there’s another motor that makes that whole process possible.  It’s called the starter, and it’s a small electric motor that gets you...
Published on: May 25, 2025

Certified Technicians

Today’s vehicles are rolling computer networks with multiple processors, sensors, and miles of wiring. The mechanical elements from the suspension to the engine valve train are extremely sophist...
Published on: Feb 16, 2025

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: Sep 15, 2024