Diagnostics Archives - Page 40 of 46 - UnderhoodService
Has Your Battery Life Lost Its Charge? Tips to Get Back That Spark

The condition of the battery as well as its state of charge are critical in late-model vehicles not only for reliable cranking and starting, but also for the onboard electronics. Low battery voltage can cause control modules to misbehave, or in some cases to go into a sleep mode and shut down. A dead battery

News: SPX Acquires Chinese Diagnostic Tool and Equipment Maker

From aftermarketNews Staff & Wire Reports Shanghai, China — SPX Corp.’s Service Solutions business unit has completed its acquisition of AUTOBOSS Tech Inc., a Shenzhen, China-based manufacturer of diagnostic tools and equipment. “This investment further underscores our commitment to accelerate growth and expand our business in strategic markets, China in particular,” said David Wilson, president

ReFlashing Control Modules

You don’t have to be Microsoft A+ certified to flash reprogram automotive PCMs, but the process requires a certain amount of know-how as well as special tools and access to the latest OEM software upgrades. What’s more, it’s not a risk-free endeavor. Certain precautions must be undertaken before you begin, and there are pitfalls that

Evolving Ignition Control Systems

Require Knowledge of Crankshaft & Camshaft Sensor Function

Get the Drift: The Ins and Outs of Sport ‘Drifting’

Drifting is not a sport for SUVs. If it were, it would probably be called “rollovering.” Nor does it lend itself very well to cars with front-wheel drive. Drifting is all about sliding around curves with the rear wheels smoking all the way. Drifting sounds like an activity dreamed up by the tire manufacturers to

Diagnostic Dilemmas: Servicing Jeep and Ford Feedback Carburetors

Lately, it seems, more people are “going retro” by rehabilitating older cars and trucks. Perhaps it’s the longing for the simplicity of a bygone era or perhaps it’s the sentimental attachment to a particular vehicle that’s driving the retro movement. Although in the Rustbelt East, the survival rate of these vehicles is probably very low,

Diagnostic Solutions: Engine Oil Changes

No Longer A ‘Generic’ Service; Variety of Blends Required To Meet Today’s Engine Requirements Years ago, an import shop could consider its shelves well-stocked if it contained a selection of single-viscosity oils in detergent or non-detergent blends. Today, a shop owner is confronted with stocking a variety of multi-viscosity oils, including 0w-20, 0w-40, 5w-20, 5w-30,

Right On the Mark: Lining Up Timing Belt Service for First-Generation Kias

This month, we’re going to take a look at timing belt replacement on the increasingly popular Kia line of vehicles. Kia has made strong inroads into the market by offering high-quality vehicles at an affordable price. As underhood car techs, we’re prepared to handle any of these cars: You have the required skills and, with

PCV Service: Helping an Engine Catch Its Breath

I’m certain that each and every one of you have, at some time in your life, experienced the horrific event of having the wind knocked out of you. If you can remember back to the first time it ever happened, before you knew that you would, in fact, breathe again, it was like you were

Update On CAN Diagnostics

Whether you like it or not, Controller Area Networks (CAN) have taken over. CAN technology has been steadily creeping into more and more new vehicles since it first appeared in 1992 on certain Mercedes-Benz models. Thanks to federal emissions rules, it is now required on all 2008 model year vehicles, and will be forevermore. What

Tech Update: Scan Tools & Code Readers

One thing you can always count on in the automotive repair business is that diagnostic equipment is constantly changing. It must to keep pace with changing automotive technology. So the latest crop of scan tools and code readers have more features, more capabilities and give you more bang for your buck than ever before. There’s

Cleaning Carbon from TDI Intake Systems

Volkwagen has been selling diesel-powered cars in the U.S. for almost 30 years. Turbocharged versions have been available for 25. That is a lot of experience and a testament to the development of a reliable, efficient and durable powerplant. The introduction and development of the TDI (turbocharged direct injection) brought the VW diesel into the