Monthly Archives: September 2020

The Cable Guy (Battery Cables and Maintenance)

If you've ever noticed your vehicle's lights are dim or not working at all, the problem could be many things.  But one possibility is your battery cables aren't doing their job.  A power outage in your vehicle is similar to one in your house and needs to be repaired to get things back to normal. Battery cables connect your vehicle's battery to the vehicle itself.  There is a positive cable when provides the power and a negative cable that connects to the vehicle chassis and provides a ground for electrical components.  A failing battery cable may cause your vehicle not to start.  Your starter may turn over very slowly.  Or you may just hear a series of clicks.  One other clue is on your dash—the battery warning light.  There are many things that can cause power issues in a vehicle, but it's important to keep battery cables clean and maintained.  Salt and corrosion are enemies to any power system.  A technician can keep things in t ... read more

Categories:

Battery

What is a TPS? (Throttle Position Sensor)

You know you have an accelerator pedal; step on it and your vehicle is supposed to go.  But did you know there is a part in your vehicle that keeps track of where the throttle is? It's called the Throttle Position Sensor, or TPS. The TPS is a sensor that helps your vehicle figure out the right mix of air and fuel is reaching your engine.  It does that by keeping track of the throttle and sending that information to your vehicle's computer.  Other factors play a role in how well your engine is performing, including air temperature, how fast the engine is turning over and air flow.  When the TPS isn't working right, you may find your vehicle won't accelerate or doesn't have the power you're expecting when you press on the accelerator.  In some cases, it may accelerate on its own.  Sometimes your vehicle won't go over a certain speed.  Your Check Engine light may go on. Any of these symptoms should be checked out soon.  If your TPS stops working rig ... read more

See the Light (Automatic High Beam Dimmers)

It's happened to all of us.  We're driving down a highway at night and over a crest appears a car with its high beams blazing.  You are momentarily blinded, hoping the other driver will switch them to their low beam setting and restore your vision. Not only do we not appreciate being blinded, face it; we don’t want to be that other driver, either.  You know, the one who forgets to turn down their high beams. Why do we want high beams in the first place? They can improve safety when used correctly, giving drivers more reaction time since they can see farther down the road.  But research has found many drivers either don't use them or, when they do, they frequently forget to switch to low beams.  Enter the automatic high-beam dimmer. The quest for the perfect one began back in the 1950s, General Motors invented something it called the "Autronic Eye." It was a phototube which sat on the dashboard and turned down your beams when it saw other headlights.  ... read more

Categories:

Headlamps

The Power Behind your Engine (Alternator Diagnosis and Repair)

There's nothing like that sinking feeling when you turn the key and nothing happens in your vehicle.  A lot of us are quick to blame the battery.  But it may instead be your alternator that's failing. Your battery supplies power to start your vehicle, but the alternator is what sends power when your engine is running.  The good news is alternators last a fairly long time, and it's not unusual to get seven years out of one. But they can give up the ghost thanks to the harsh conditions in the engine compartment. Alternators have bearings inside them that keep things turning smoothly.  Debris, liquid, dirt and more can team up with the high temperatures your engine generates to cause those bearings to seize up.  That's not good, and if that happens, you may even be able to hear the bearings grind. Other symptoms of a dying alternator are a squealing noise in the engine compartment or your headlights may go dim and bright, dim and bright.  You might even notic ... read more

Categories:

Alternator
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