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Godspeed, Pat

Pat Goss died on March 19, 2022, at the age of 77. Pat owned auto repair shops in Maryland, and he also was heard on the radio, where he hosted multiple car shows. Pat also made a weekly appearance on YouTube for many years, but you probably know him best for the...

Break down ROs into three boxes

“Every time I walk into this place, you guys clean me out for a few grand.” I’m sure you’ve heard some variant of that if you’ve written service. Part of the reason is that the value of preventative maintenance is just lost on some vehicle owners. (“Don’t try to...

Holistic healing works on cars, too

Holistic seems to be a buzzword that’s (over)used in medicine. From a medical diagnosis perspective, that word may cause you to roll your eyes, but not a bad way to think about automotive diagnostics. If you work on a counter, approaching repair holistically helps...

Modern GDI systems have brought back decades-old maintenance issues

Have you performed a mechanical valve cleaning lately? Did you ever stop to think about how strange it is we need to do that again, when “decoking” stopped being a necessity half a century ago? Have we outfoxed ourselves in the eternal automotive quest for higher...

What’s the Deal with DIP Switches? Aren’t They Just … Switches?

They may look simple, but these little toggles can enable powerful electronic versatility.

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Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)

Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)

Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says that this condition is caused by a vacuum leak.

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