Your first purchase in assembling your collection of spark plug removal tools: a set of standard spark plug wire pliers. These grab the spark plug wire boot straight on or from the side. They feature ...

The spark plug is essentially a high-voltage “bridge” that ignites gas vapors inside your engine and makes your car go. On average, spark plugs should be replaced every 50-100,000 miles—the good news ...

A brief underhood inspection confirms that all the vacuum hoses are on and that none of them have been burned open by leaning against the exhaust manifold. You've touched every sensor connection to ...