Once there was a fellow named Georg who found out more about electrical circuits than most scientists of the time, and he did it before most ordinary people even realized electrical circuits could occur. His name was Georg Simon Ohm — Herr Professor Doktor Georg Simon Ohm, actually. You should recognize his last name because […]
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You can run a business the same way you live your life. To keep both vital, it’s a good practice to periodically review what you’ve grown accustomed to doing. It’s been nearly three years since “Front Counter Mechanics” last discussed marketing. Business has changed since then, and it’s time to revisit and reconsider some of […]
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Can you remember the first new car that had a catalytic converter? To sharpen your recollection, the first catalytic converters were introduced in the mid-70’s when the Clean Air Act was first signed into law. The first car to meet the 1975 emissions standards was a Chrysler Avenger, and it was equipped with a rhodium-promoted […]
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The Mother of All (well, the mother of most) Fuel-Injection Fuel injection for automotive engines goes back at least to the folks at Gasmotorenfabrik Deutz in 1898, whose mechanical plunger-pumps fueled turn-of-that-century engines until those goldurned newfangled contraptions, carburetors[!], supplanted them. Almost since then — since 1912, that is — Robert Bosch GmbH of Stuttgart […]
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Last month we examined the behavior of a failed TW sensor on a 1991 Honda Civic. This month we’ll add a few more details to the diagnosis, and explain the other components that make this system tick. How do the injectors and main relay work? Which injectors fire when? And what about that alternator control? […]
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Honda oil leak correction VW no-crank no-start Broken valve springs A/C loss from cigarette lighter fuse
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I’ve always loved troubleshooting ground problems. Well, maybe not always. Certainly not until I figured out the best way to do it. But once I found the method for troubleshooting grounds, I began to enjoy watching the bizarre behavior of ground circuit problems. The more bizarre the problem, the more I liked it, because they […]
Read MoreHonda engine blog, Computer under passenger seat, Power steering fluid flush, Electrical connections, A/C restrictions, Shaft-Key
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In the March Import Service, we began a discussion of OBD-II evaporative emissions systems. We explained system operation and the problems engineers face when designing the monitoring devices for these systems. We also looked at the early Toyota evaporative emissions system and explained how the charcoal canister functions. This month we will continue with Toyota […]
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Horsepower & clean air race among imports; mechanical progress; new styles and more…
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