Ignition Systems

Grinding Noise When Starting Engine: The Complete Diagnosis and Repair Guide

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Grinding Noise When Starting Engine: Diagnosis Guide

It was 6:47 AM on a freezing January morning when Sarah pulled into my bay with her 2015 Honda Accord. “It sounds like metal teeth chewing rocks,” she said, and honestly, that’s the best description I’ve ever heard for a failing starter motor grinding. I turned the key, and sure enough—GRRRRR-GRRRRR-GRRRRR—that unmistakable metal-on-metal shriek that … Read more

Spark Plug Problems: How to Identify Bad Plugs

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Spark Plug Problems: How to Identify Bad Plugs

Quick Answer: Bad spark plugs cause misfires, rough idling, and poor fuel economy. Check for electrode wear, carbon buildup, or oil contamination. Replace every 30,000-100,000 miles depending on plug type (copper/platinum/iridium). DIY replacement costs $20-$80; professional service runs $150-$300. The $47 Lesson That Changed My Career It was 6:47 AM on a freezing February Tuesday back … Read more