Clogged Fuel Filter Symptoms and Replacement

Clogged Fuel Filter Symptoms and Replacement

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

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

Loss of Power While Driving: Troubleshooting Guide

Loss of Power While Driving: Troubleshooting Guide

It was a busy Tuesday afternoon in the shop, pouring rain outside, when Mrs. Johnson rolled in with her 2012 Honda Accord. She was shaking a bit—told me she’d been merging onto the highway when the car just bogged down. Foot to the floor, RPMs climbing, but barely hitting 50 mph with traffic barreling up … 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

Engine Hesitation When Accelerating: Diagnosis Guide

Engine Hesitation When Accelerating: Diagnosis Guide

Quick Answer: Engine hesitation during acceleration is usually caused by problems with fuel delivery, ignition timing, air measurement sensors, or throttle control. The most common culprits I see in the shop are dirty mass airflow sensors, failing throttle position sensors, weak fuel pumps, and worn ignition components. Accurate diagnosis saves hundreds of dollars by avoiding … Read more

Poor Acceleration: Common Causes and Fixes

Poor Acceleration: Common Causes and Fixes

It was a Tuesday morning in late September when Mrs. Chen rolled into my bay with her 2016 Honda Accord. “It just doesn’t go anymore,” she said, frustration clear in her voice. She’d press the gas pedal to merge onto the highway, and the car would wheeze like an asthmatic trying to run a marathon. … Read more

Idle Air Control Valve Problems and Solutions

Idle Air Control Valve Problems and Solutions

Tuesday morning, 7:30 AM. A ’98 Civic rolls into my bay with the customer white-knuckled and frustrated. “It keeps dying at every stoplight,” she says, her voice cracking. The poor girl’s been nursing this thing for weeks, restarting it in traffic like she’s playing Russian roulette with rush hour. One quick scan, a $47 part … Read more

Why Does My Car Idle Rough When AC Is On?

Why Does My Car Idle Rough When AC Is On?

  Last Tuesday, 3:47 PM—heat index 104°F—a sweating guy in a 2016 Honda Civic LX rolled into my shop looking like he’d seen a ghost. “It’s doing this every time I hit the AC,” he said, mimicking violent shaking. His knuckles were white on the steering wheel. I popped the hood and saw it immediately: … Read more

Vacuum Leak Diagnosis: Finding and Fixing Leaks

Vacuum Leak Diagnosis: Finding and Fixing Leaks

It was 3:47 PM on a sweltering Tuesday in July when Mrs. Henderson’s 2012 Toyota Camry rolled into my bay. “It’s making this weird hissing sound, and the idle keeps dropping so low I think it’s going to stall,” she said, wiping sweat from her brow. I’ve heard this story hundreds of times, and my … Read more

How to Fix Rough Idle at Startup: A Master Technician’s Step-by-Step Guide

How to Fix Rough Idle at Startup

If your car shudders, bucks, or threatens to stall the moment you turn the key—especially on a chilly morning—you’re dealing with a rough idle at startup. It’s one of the most common yet frustrating issues drivers face. Left unaddressed, it can lead to poor fuel economy, failed emissions tests, or even engine damage over time. … Read more