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Basics of General Auto Diagnostics
Early cars, like the Ford Model T, are relatively easy to maintain and repair. In contrast, automobiles nowadays are difficult to repair. Because of its complexity, an average car owner would find it very hard to spot a problem with his car. Generally, car owners lacking auto repair know-how would just opt for the repair shop. That’s a rational option. However, it’s quite costly. And, sometimes, auto techs take advantage of those who don’t have any idea about car repair. Therefore, having some knowledge about basic auto diagnostics is really important.
How do you learn basic car repair diagnostics? Nowadays, we’re blessed with the Internet. The Internet is a treasure trove of information. If you want to diagnose your car for repair, you can just search the Web for textual or multi-media instructions.
Auto Service and Repairs – 3 Steps to Doing it Yourself
There was a time not so long ago when being a weekend mechanic was a much more popular pastime, when if you were handy with a screwdriver and wrench, you could consider servicing or repairing your car yourself over the weekend.
The current design of all modern cars means that this prospect is not as appealing to most DIY enthusiasts. New models are increasingly stuffed with more and more computer based electronics and sensors that automatically determine engine parameters and performance. Things like engine speed, camshaft position, vacuum pressure, oxygen content of air intake manifold, CO2 content, plus a host of other statistics are measured every few milliseconds or so.
Based on these measurements, the car’s engine control unit, ECU (or power train unit, PTU) makes appropriate adjustments to valve timing, Ignition timing, fuel Injectors and fuel mixture and other key adjustments to ensure the desired performance is achieved. The result could be optimized fuel economy, speed or power.