Engine idle issues can obviously involve a wide range of potential faults, involving ignition, fuel, vacuum and mechanical problems. In this article, we’ll discuss a variety of potential sources that result in poor engine idle characteristics. (See the list at right for potential causes.).
Anti-lock brake systems. Traction control. Electronic stability control. Great safety enhancements, but none of them could exist without wheel speed sensors. Even variable assist power steering and variable ride height systems rely in part on information from the wheel speed sensors.
Light HEV diagnosis and repair: What are shops doing?
View, take photos or take video of hard-to-access locations
The Bosch KTS 340 is truly a “multifunctional” diagnostic and technical information system. Actually, it does much more than simply “test.” The unit provides so much information, that its range of abilities are difficult to initially appreciate.