If there’s one warning light that unites every driver from Anchorage to Miami, it’s that little amber engine icon.

Q My question pertains to what an IAC does. Recently my car began stalling occasionally and was difficult to start. My repair guy diagnosed the cause as a “dirty throttle” and cleaned it. This helped ...

We may receive a commission on purchases made from links. Car engines derive power from thousands of miniature explosions contained within their cylinders every minute. We quickly become accustomed to ...

Q: My 1988 Mustang has an excellent idle. However, when I stop at a traffic light/stop sign occasionally the engine will shudder, shaking the car a little, and then die. Modern vehicles use an idle ...

Question: I have a 2001 Ford Expedition with the 5.4-liter V-8 and 103,000 miles. At 98,000 miles, it developed a rough idle and began stalling at stop signs. My local mechanic noticed low fuel ...

DEAR CAR TALK: My 1997 Mercedes E420 sits in the garage for months before being called on for the occasional road trip. Lately, I've been experiencing a rough idle condition, where the engine rpm ...

Question: I have a 1986 Subaru with the 1.8-liter engine and a manual transmission. The engine was idling rough, so I decided to perform a routine diagnostic test. I started with a compression test ...

A: The reader writes that his 1987 Mercury with a 5-liter V-8 has started to run rough at idle and under light acceleration. One dealer mechanic said the fuel injectors should be cleaned at a cost of ...

If your car starts juddering when you're driving it can be very alarming, especially if you are driving at speed or on a busy road. Many of us are unaware of what causes our cars to make this sudden ...

This month we will be concentrating on diagnosing a clogged fuel injector using data from a can tool. Diagnosing a clogged injector is not always easy because the symptoms act similar to low ...