Diagnostic Solutions: Ignition Coil Diagnostics Import Specialist Gary Goms says there are a variety of opinions about how to test ignition coils and ignition systems. The most basic method is measu...  More»

Diagnostic Dilemmas: 8 Simple Rules ... Many of the "Diagnostic Dilemmas" Gary Goms is called upon to solve aren't really all that complicated - but were caused by basic oversights and incor...  More»

Book Report: Automotive Electrical Performance Projects For the automotive professional with electrical experience, Automotive Electrical Performance Projects by Tony Candela is a great edition to their tec...  More»

Cadillac Ciel Concept Celebrates the Journey The spacious and elegant concept car Ciel is powered by a twin-turbocharged version of the 3.6-liter Direct Injection V-6 engine, paired with a hybrid...  More»

Launching the Ford Evos Concept Making its global debut at the 2011 Frankfurt Motor Show in September, the Ford Evos Concept represents the ultimate expression of Ford's new global d...  More»

Tech Tip: Nissan MIL On, DTC P0603 - ECM Power Supply If you have a vehicle with the MIL on that has a DTC P0603 stored in the ECM, perform the diagnostic steps in this bulletin first.  More»

Tech Tip: Ford Traction Control Light On/No DTC, or DTC P1889 Some 2005-’07 Five Hundred, Freestyle and Montego vehicles equipped with all wheel drive (AWD) may exhibit the traction control warning lamp on.  More»

Tech Tip: Chrysler Vehicle (300/Magnum/Charger) Has Multiple DTCs Set, MIL Illuminated This bulletin involves repositioning the upstream oxygen (O2) sensor connectors and replacing the wiring harness connector(s) and O2 sensor(s) as nece...  More»

Tech Tip: Tacoma’s MIL Is On with DTC P0705 Set Some 2005-’09 model year Toyota Tacoma vehicles may exhibit an MIL On condition with DTC P0705 (Transmission Range Sensor Circuit Malfunction [PRNDL I...  More»

TechTip: Engine Compartment Squeak Under Light Throttle Tip-in This bulletin involves replacing the PCV hose to prevent interference with the bottom of the wiper module.  More»

Tech Update: Working on Wipers It's right after a major snowstorm, and there's ice and snow on everyone's windshield. You're at the shop waiting for the phone to ring. The phone lea...  More»

Diagnostic Dilemmas: The Diagnostic Tail Gunner - Surviving in the Age of Information One of the first survival skills my professor taught is called "preparatory set," which is simply the act of preparing to do something. Each of us eng...  More»

Diagnosing Common Pattern Failures on Mercedes-Benz Vehicles Mercedes-Benz cars have long been associated with fine design and manufacturing quality. The proof for me is its use as hired transportation (taxi and...  More»

Tech Tip: Ford Traction Control Light On/No DTC or DTC P1889 Some 2005-'07 Five Hundred, Freestyle and Montego vehicles equipped with all wheel drive (AWD) may exhibit the traction control warning lamp on.  More»

Tech Tip: Kia Has Intermittent MIL On with No Fault Code Stored In affected vehicles, an intermittent short to ground in a circuit only intended for testing purposes may cause the MIL to illuminate and a DTC P1330 ...  More»