Run-flat tires are designed to do precisely that -- operate safely with zero air pressure for a reasonable distance at modest speed.
Updated: March 09, 2012, - 04:41 PM
A The rule of thumb is to use the lowest-octane gasoline that will operate the engine efficiently. For the vast majority of modern cars and trucks, that means regular unleaded, which is typically 87 octane. The octane rating of gasoline is a measure of the fuel's resistance to ignition, meaning the higher the octane rating, more heat and pressure are required to "start the fire." If the recommended octane gasoline provides proper starting, power, drivability and efficiency, there's no benefit to using higher-octane fuel.
Updated: March 02, 2012, - 04:25 PM
An older Jeep Cherokee has starting problems that may be battery-related. Batteries can wear out after just a few years, so it could be the charging system.
Updated: February 24, 2012, - 04:06 PM
The 2009 Hyundai Santa Fe starts but then can't get shifted out of park unless the engine is shut off and the driver starts over.
Updated: February 17, 2012, - 03:52 PM
When the car is started, the dash lights and headlights flicker, and the battery light illuminates, then goes off after a while.
Updated: February 10, 2012, - 04:11 PM
At what point do you throw in the towel and replace the car -- when the cost of the repair is about the same as the value of the car?
Updated: February 03, 2012, - 03:57 PM
Despite desire to save money, a professional shop and its sophisticated testing equipment might be a good choice.
Updated: January 27, 2012, - 04:00 PM
How do synthetic DOT 3 or DOT 4 fluids differ from the conventional DOT 3 or DOT 4 ones?
Updated: January 20, 2012, - 03:50 PM
Troubles with 2003 BMW 330i leave the driver nervous and asking questions.
Updated: January 13, 2012, - 03:50 PM