Diagnose an Engine Light on

When your car turns on, the computer under the dashboard runs a quick diagnostic of your car. If a problem is detected, the check engine light will turn on. Here is how you can diagnose your car to determine what has gone wrong, and how you can fix it.

In this tutorial, we learn how to check the engine light. The check engine light comes on when the engine control module recognizes that your car emissions are not running properly. All of the systems work together with sensors to make sure everything is running correctly. Som ...more

There's nothing worse than when you're driving to work or to the grocery store and all of a sudden, the check engine light comes on. This is one of the most dreadful lights that a car possesses. Not only does it signify that there's something wrong with your car, but it may al ...more

You don't have to be pyschic to know what that check engine light is trying to tell you. See how to use a handy device called the CarChip to read the engine's computer and save a trip to the mechanic.

The modern car is a complicated beast, but fortunately the engine code system makes figuring out what's wrong with a complex vehicle simpler. In this video you'll learn how to use a simple scanner to scan your car and figure out what has made the check engine light come on.

Get tips on making and animating Star Wars lightsabers using the Neon Light Engine in Effects Lab

It is never a good sign when the 'check engine' light comes up on your dashboard. In this tutorial, learn how to reset the light if it is not functioning properly. If you have already fixed the engine issue and wish to reset the warning light on your Saturn S-Series, this vide ...more

In this tutorial, we learn how to clear the check engine light on your dashboard. This could be caused from an over-boost from the turbo charger that the engine does not recognize. The solution is to grab a tuner device and plug it into the car. Wait for it to power up, then g ...more

The 1991 Suzuki Sidekick is quite vintage at this point, and they're fun little cars. If your Sidekick's check engine light is on and there's nothing wrong with the engine, use the hidden switch you'll learn about in this video to turn it off.

A lot of people seem to have idle problems in their Honda vehicles, especially the Integra models. And idling problems are really hard to pinpoint. But you're in luck, because Eric has some great tips for hunting down those engine idling problems and eradicating them for good! ...more

If you didn't find the solution to your misfire problem in this video, then the 1999 Mercury Villager 3.3L might have a code P0305 (Cylinder #5 Misfire). This is great troubleshooting advice from a professional mechanic to help you diagnose the problem. The vehicle is a '99 Me ...more

As a mechanic, you can't get paid until you fix it, and you can't fix it until you diagnose it, which means a quick diagnosis means a quick fix which means a quick payout. If life was always this easy! This automotive video will show you how to troubleshoot and diagnose a 1999 ...more

If you are the proud owner of a Dodge Neon with a check engine light on and it's showing error code P0141 on your scanner, you probably need to replace the rear oxygen sensor. This video will show you how to do that as easily as possible.

The crankshaft position sensor on a car can cause the check engine light to come on a lot if it's not working, and they do wear out and need to be replaced eventually. This video will show you where to find the sensor on a Nissan Altima 2.5.

IF you have a Saturn S-Series and it's thrown a P0340 or P0341 error code at your on the scanner after the check engine light has come on, you might be wondering how your cam position sensor can be off if you don't actually have one in your car. Watch this video to learn exact ...more

If the speedometer on your car isn't working and the check engine light is on, get your scanner out and look for code P0500. If you get that code, watch this video to learn a quick easy fix for the problem.

This automotive video tutorial will show you how to test an instrument cluster on a BMW E38 car. IT will show you how to activate an instrument cluster test on a 1995-2001 BMW 7 Series (E38). First, you'll need to turn the headlight switch to any position, and hear the sound ...more

Your "check gauges" light comes on inside your vehicle, which prompts you to notice your oil pressure gauge, which is reading pretty low. What do you do to resolve this car problem? In this video, Scotty Kilmer shows you what you can do to shut that low engine oil light off fo ...more

Oil is vital to maintaining the health of your engine, but if it's leaving the areas of the car where it's needed it can cause major damage. Watch this video to learn how to diagnose whether a misfire is being caused by a cracked cylinder head or leaking head gasket allowing o ...more

Do you have an old furnace that just won't stay lit? Are you constantly relighting your pilot light? Then this tutorial is here to help you. In this three part video series, learn how to diagnose the problem with your appliance and either fix it or ditch it. This professional ...more

They are after you from all over the globe. Looking for ways to exploit you. Ways to hurt you. Not political terrorists, but rather "info terrorists." Each month thousands of websites get hacked into and have hidden links inserted into the pages by people wanting their spam si ...more

Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those dig ...more

If you've done major work on your engine recently, you may find yourself with error code P1345, which means your timing is off. In this video you'll learn how to use a lab scope to both diagnose and fix a distributor timing problem.

This clip demonstrates how to create a caustic lighting effect using Houdini's Mantra PBR rendering engine. The first part starts with a refresher on refraction. More generally, guide looks at setting up normals correctly, then at the glass shader in Houdini, faux caustics and ...more

If you've ever had a check engine light or check oil light stick around, even after you've completed any maintenance, then you might have a problem with a sensor. It can become damaged and will need to be replaced, especially if you want to get rid of any annoying lights. In ...more

This automotive customization tutorial shows you a method to try to save gas by deactivating a fuel injector. Get your car to run on three cylinders instead of four and save gas. Be careful, you will need to remap your vehicle's ECU or live with the check engine light being co ...more

The engine has a number of cylinders, whether it's 3, 4, 5, 6… 8…. whatever, and each one of those cylinders is designed to produce the same amount of power. If one is not able to produce the same power as the rest, then that cylinder is down and the engine might miss a bit or ...more

If you own a Saturn S-series and keep getting the code P0404 and your check engine light is on, you probably need to perform an EGR cleaning. This is actually a commong problem with soem cars and can be taken care of easily wthout having to go to the mechanic. This video will ...more

A leaking fuel pressure regulator can cause your car or truck to be hard to start or die out. This may give a check engine light, also. It's a very common problem on many Chevy, Buick, Pontiac, and Oldsmobile 3.1L - 3.4L V6 engines. These are also know as the 3100 and 3400. Mi ...more

The Toyota 4Runner has a manual fuel filler door. To gain access the gas cap open the door. When open the gas cap, turn it counter clockwise slowly. Then pause a few second before remove the cap. You can hang the cap on the back of filler door. The video also advises that Toyo ...more

Watch this automotive video tutorial to see how to scan your automobile for diagnostic trouble codes. If you see a "check engine" or a "service engine soon" light in your instrument cluster; your car has stored a diagnostic trouble code. This means the computer system on your ...more

In this tutorial, we learn how to find an oil leak using florescent dye. First, you want to pour the dye into the oil canister and let the car run for about 10 minutes. After this, turn the lights off in the garage and grab a florescent light, and bring it into your engine. Yo ...more

Do you have a smart key but are not aware of its advantages? Here are some tips. Put your foot on the brake pedal. A green light will illuminate the start/stop button. Then press that button and the engine will start. To start other accessories, leave your foot off the brake p ...more

A misfire in your engine can be infuriating to find the cause of and finally fix. There can be many causes, but this video will teach you how to cut through some of them and diagnose the cause of a misfire quickly.

Gaskets are the most likely parts of nearly any combustion engine to break. Detecting a blown head gasket is nearly impossible without taking the engine apart because they are so deep in the engine. In this video you'll learn how to use a testing kit to diagnose blown head gas ...more

In this tutorial, we learn how to choose which driving mode to use in the 2010 Prius. The Prius offers four drive modes: normal, eco, power, and ev mode. To activate the mode, press the appropriate button the center console and the light will appear in the center console. Now, ...more

This video address the "My RC does not work... fix it" questions that I get. The main issue is that people do not understand how to break the rc into segments and troubleshoot or diagnose off of that. This video will show you how to troubleshoot on a basic level the nitro engi ...more

First, cut a plastic bottle down the middle the long way. Next, put a little candle in one of the halves. Then, using 1/8 inch copper tubing, make the engine by bending the middle of the tubing around a nail a few times, then removing the nail. Use the nail to poke two holes i ...more

It might seem like an inconvenience but it is important to take the time to find out what has caused your oil light to come one in your car. You may just be low on oil or you may have a more serious problem but ignoring the warning will only lead to further damage. When the o ...more

This is a short, detailed video of how to use a 1993 Renault Clio. It includes how to turn off and on the fan and the radio, also how to fix a leaking roof and how to remove the map light. You will also hear the clarity of standard Renault Clio speakers and you will also hear ...more

Does your car idle high and make an obnoxious racket every time you are stopped at a light, drawing dispproving looks from your fellow motorists? If you are into home car maintenance, you may be able to diagnose the cause of this problem yourself. This video illustrates how to ...more