EGR Valve Problems: Symptoms and Cleaning

EGR Valve Problems: Symptoms and Cleaning

It was a cold December morning last year, frost still on the ground, when Mrs. Johnson pulled her 2008 Honda Accord into the bay. She said the car had been hesitating on acceleration for weeks, idling rough like it wanted to stall at every stoplight, and that darn check engine light had been glaring at … Read more

Blue Smoke from Exhaust: Diagnosis Guide

Blue Smoke from Exhaust: Diagnosis Guide

Quick Answer: Blue smoke exhaust is a classic sign your engine is burning oil. The culprit is usually worn valve seals or piston rings, but it could also be caused by a faulty PCV system, turbocharger issues (on turbocharged engines), or using the wrong oil viscosity. Ignoring it will lead to increased oil consumption, poor … Read more

Oxygen Sensor Failure: Symptoms and Replacement

Oxygen Sensor Failure: Symptoms and Replacement

Quick Answer: Oxygen sensor failure usually shows up as poor fuel economy, rough idle, or a check engine light. Most O2 sensors last 80,000–120,000 miles. Replacement is typically a moderate DIY job costing $80–$250, versus $250–$600 at a shop. That Cold Morning When the Check Engine Light Wouldn’t Quit It was a gray Tuesday morning, … Read more

Fuel System Problems Causing Poor Performance: A Master Technician’s Guide to Diagnosis and Repair

Fuel System Problems Causing Poor Performance

By Hank Riggs, ASE Certified Master Technician (L1 Advanced Engine Performance Specialist) 15+ Years Turning Wrenches, Diagnosing Drives, and Solving the Toughest Automotive Mysteries When your car’s engine stumbles, hesitates, or flat-out refuses to pull like it used to, your gut might scream “transmission trouble” or “ignition coil failure.” And sure, those can be culprits. … Read more

Car Jerks When Accelerating: What’s the Problem?

Car Jerks When Accelerating: What's the Problem?

It was a sweltering July afternoon in the shop, the kind of heat that makes the concrete floor radiate up through your boots. A 2014 Honda Accord rolled in, the owner—let’s call him Carlos—frustrated after three different shops couldn’t figure out why his car bucked like a bronco every time he hit the gas. “It’s … Read more

Water Pump Failure: Warning Signs and Solutions

Water Pump Failure: Warning Signs and Solutions

A Tuesday Morning That Almost Cost a Customer Their Engine It was 7:45 AM on a cold February morning when Sarah rushed into my shop, panic written all over her face. Her 2011 Honda Civic was steaming like a teapot on the highway, and she’d barely made it to my parking lot. The temperature gauge … Read more

Thermostat Failure: Symptoms and Replacement — A Master Tech’s Deep Dive

Thermostat Failure: Symptoms and Replacement

Few components in your vehicle’s cooling system are as deceptively simple—and critically important—as the humble thermostat. About the size of a hockey puck, this unassuming device regulates coolant flow between your engine and radiator, ensuring your engine runs at its optimal temperature. Yet, when it fails—which it inevitably will over time—it can trigger a cascade … Read more

Engine Overheating: Common Causes and Quick Fixes

Engine Overheating: Common Causes and Quick Fixes

Last Tuesday afternoon, a panicked customer pulled into our bay with steam billowing from under her hood. She’d been sitting in bumper-to-bumper traffic on I-95 when her temperature gauge suddenly pinned itself in the red zone. “I just had the oil changed last week,” she said, as if that should’ve prevented this. I popped the … Read more