We love our engines
It was a humid Saturday morning in July when a guy rolled into my bay with a gorgeous 1972 Chevelle SS. Beautiful car—factory Cranberry Red, original trim, the works. But she was running like absolute garbage. The owner had just bought it from an estate sale, and the previous owner had slapped a cheap Edelbrock … 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
Quick Answer: Your car’s air intake system delivers clean air to the engine for combustion. A clogged air filter or leaky intake tract can rob power, hurt fuel economy, and trigger check engine lights. Replacing an air filter takes 10 minutes and costs $15–$40. Ignoring intake issues can lead to $500+ repairs. The Day a … Read more
It was a Tuesday morning in late October, the kind where you can see your breath in the shop before the heaters kick in. A customer pulled up in a 2015 Honda Civic with 87,000 miles, complaining about a rough idle and occasional stalling at stop lights. “It feels like the car wants to die,” … Read more
Quick Answer: Clean your MAF sensor every 30,000 miles or when you notice rough idle, poor fuel economy, or hesitation on acceleration. Use only MAF-specific cleaner spray, never brake cleaner or carb cleaner. The 10-minute job costs $8-15 in supplies versus $150-300 at a shop. Tuesday morning, 7:45 AM. Mrs. Rodriguez pulls her 2018 Honda … Read more
Last Tuesday, a regular customer rolled into my bay with his 2019 Honda Accord sputtering like it had asthma. Temperature gauge was climbing toward 90°F outside, and he’d already spent $340 at the dealership for “computer diagnostics” that found nothing. Misfires on cylinders 2 and 4, rough idle, and fuel economy had tanked … 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
Quick Answer: What are the top signs I need a new air filter? You should generally inspect your filter every 12,000 miles and replace it every 15,000 to 30,000 miles. If you notice reduced fuel economy, a check engine light, or the engine sounds rough at idle, the filter is likely clogged. In dusty environments, replace it … Read more
From a master tech who’s replaced 500+ MAF sensors: here’s exactly what fails, how to test it, and whether you can clean it or need a new one. Quick Answer MAF sensor problems typically show up as rough idle, hesitation, or poor fuel economy. Cleaning works 30-40% of the time if the sensor is just … 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