spring a guy drove into our shop off Westheimer Road with a check engine light and a story he'd already diagnosed himself off a YouTube video — "it's my catalytic converter, just …

A customer drove in last month with her 2014 Toyota Corolla convinced the transmission was going out — the car jerked every time she accelerated from a stoplight. Turned out to be a single faili…

Last spring a guy brought in a 2015 Honda Accord with the 2.4L engine that had been running rough for three weeks. He'd already replaced the spark plugs himself, twice, because a forum tol…

Your engine stumbles at idle, hesitates on the gas, and drinks more fuel than it used to. Before you assume it's something expensive, check the spark plugs first — they're often the …

Last Tuesday, a customer rolled into our shop on Westheimer Road in Houston driving a 2019 Ford F-150 with the 5.0L Coyote V8. He'd been ignoring a rough idle for about three weeks, kept…

Signs Your Spark Plugs Need Replacing The most common signals are engine misfires and rough idle at stoplights, hard starts on cold mornings, hesitation under acceleration, and a noticeable dr…