We love our engines
Reading spark plugs is a diagnostic technique that reveals engine health by analyzing combustion deposits on electrodes, helping identify fuel mixture problems, oil consumption, and timing issues before they cause costly damage. In 15 years as an ASE-certified technician, I’ve seen 70% of engine performance issues traceable to conditions visible on spark plugs long before … Read more
Quick Answer To test a fuel pressure regulator, you’ll need a fuel pressure gauge and basic hand tools. The three main testing methods are: 1) Static pressure test (engine off), 2) Running pressure test (engine at idle), and 3) Vacuum test (checking pressure changes with vacuum applied). Normal fuel pressure typically ranges from 35-65 PSI … Read more
It was 7:30 AM on a frigid Tuesday in February when Mrs. Henderson’s 2012 Honda Civic rolled into my bay on the back of a flatbed. The temperature had barely cracked 15°F, and she was in tears—her daughter needed the car for college finals that afternoon. “It just died on the highway,” she sobbed. “No … Read more
The $3 Filter That Nearly Killed a $28,000 Engine It was sweltering in the Bay Area last August—104°F with that dry, dusty Central Valley wind blowing through the shop doors. A woman pulled up in a 2019 Toyota RAV4, saying it “just doesn’t feel right.” Hesitation on takeoff, rough idle at red lights, and that … Read more
It was a rainy Tuesday in mid-November, the kind of damp morning that makes every old bolt in the shop feel like it’s been welded shut by time. A customer towed in a 2012 Honda Odyssey with a “no-start” condition. As soon as I pulled the upper timing cover, I saw it: a shredded … Read more
It was a Tuesday afternoon in late November—rain tapping on the shop roof like a nervous drumbeat—and a 2014 Ford F-150 rolled in with the driver clutching his ear like it was ringing from artillery fire. “Sounds like a diesel with a coffee can full of bolts under the hood,” he said. I popped the … Read more
It was a scorching July afternoon when Sarah’s 2015 Honda Accord rolled into my bay with the AC blasting—or at least trying to. The compressor was cycling on and off, the battery light flickered occasionally, and she mentioned a “weird squealing” that started three days ago but went away. I popped the hood, and there … Read more
Quick Answer: Most manufacturers recommend replacing your timing belt between 60,000 and 105,000 miles, or every 5 to 7 years—whichever comes first. However, exact timing belt replacement interval varies significantly by make, model, and engine. Always consult your owner’s manual or a trusted mechanic to avoid catastrophic engine failure. The $3,200 Lesson I’ll Never Forget … Read more
It was 7:30 AM on a Tuesday that felt like Monday—rain coming down in sheets, coffee gone cold in my mug, and Mrs. Henderson’s 2012 Honda Accord on the lift doing its best paint-shaker impression. The poor woman’s hands were still tingling from her 20-minute drive to the shop. “It started last week,” she said, … Read more
Quick Answer: A clogged fuel filter typically causes poor acceleration, engine hesitation, stalling, and difficulty starting. Most vehicles need fuel filter replacement every 30,000-60,000 miles. DIY replacement costs $15-50 for parts, while professional service ranges from $80-200. A Tuesday Morning That Almost Went Wrong It was 7:45 AM on a chilly Tuesday in November when Mrs. … Read more