Fuel Pressure Regulator Problems: Diagnosis & Replacement

Fuel Pressure Regulator Problems: Diagnosis & Replacement

Opening: The Day the Silverado Wouldn’t Stay Running It was a sweltering July afternoon in the shop, the kind of heat that made the concrete floor radiate like a griddle. I was elbow-deep in a 2005 Chevy Silverado 5.3L that had been towed in for “random stalling.” The owner, a local farmer named Tom, had … Read more

Bad Fuel Pump Symptoms: 10 Warning Signs

Bad Fuel Pump Symptoms: 10 Warning Signs

Quick Answer: Common bad fuel pump symptoms include hard starting, engine sputtering under load, loss of power during acceleration, stalling at highway speeds, and a whining noise from the fuel tank. If you notice these signs—especially in combination—it’s time to evaluate your fuel pump. It was a rainy Tuesday morning in late October—cool, gray, and … Read more

Hard Starting Engine: Diagnosis and Repair

Hard Starting Engine: Diagnosis and Repair

Quick Answer: A “hard starting engine” typically means the engine cranks but takes longer than usual to fire up. This is usually caused by a loss of fuel pressure overnight, failing ignition components, or sensor data errors (like a bad Coolant Temperature Sensor). The Tuesday Morning Troublemaker It was 7:15 AM on a biting cold Tuesday … 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