Tech Feature: Engine Technology Gets a Boost As a technician, you'll need to understand how Ford's EcoBoost turbocharged gasoline direct injection engine works, since the automaker plans to incorporate it in 90% of its new vehicles over the next three years. More

Tech Tip: Multiple Cylinder Misfire or Rough Idle on Chrysler Models This bulletin involves rotating all engine exhaust valves, replacing the valve spring retainer locks with a new design to increase valve rotation at lower rpm, inspecting/replacing the MAP sensor (as necessary), and decarbonizing the combustion More

Tech Tip: Poor Throttle Response on VW's Diesel Engine Condition: Poor throttle response on 1.9L TDI equipped vehicle. Models affected include 1999-2003 Golf and Jetta, 2001-'03 Jetta Wagon and 1998-2003 New Beetle (all ALH, 1.9L TDI engines). More

Jeep Fuel Problems Needn’t Be an Uphill Battle The Jeep Grand Cherokee has been a dependable vehicle for many vehicle owners over the years. However, the SUV has had a few fuel system problem that has put Jeeps in repair shops. In this article, we’ll address some fuel system complaints that have plagued these vehicles. More

Tech Feature: Jeep Fuel Problems Needn't Be an Uphill Battle The Jeep Grand Cherokee has been a dependable vehicle for many vehicle owners over the years. However, the SUV has had a few fuel system problem that has put Jeeps in repair shops. In this article, we’ll address some fuel system complaints that have plagued these vehicles. More

Fuel System Service Tools and Equipment Liquid gold – It started out a few billion years ago, roaming around the plains, eating whatever it could find. Calamity struck and wiped it off the face of the earth. After lying under the earth for all these years, it became oil, was then pumped up, filtered, refined, trucked around and finally ended up in your customer’s fuel tank. And that’s where all the fuel system problems... More

Ford Water-in-Fuel Indicator Dampens Driver's Spirit Some 2003-'04 Ford F Super Duty/Excursion (vehicles with 6.0L Powerstroke engine built prior to Nov. 1, 2003) owners may complain of an illuminated water-in-fuel (WIF) lamp. The lamp does not turn off after water has been drained from the horizontal fuel conditioning module (HFCM). More

Tech Feature: Servicing Ford's 3.0L Engine The 3.0L Duratec V6 was introduced in 1996 to replace the aging 3.8L V6 in the Ford Taurus and Mercury Sable. Unlike its conventional pushrod predecessor, the 3.0L V6 has dual overhead cams, four valves per cylinder and an aluminum block with cast-iron cylinder liners. More

Tech Feature: Cooler 'Heads' Prevail - Pouring Over GM's LT1 Engine and Reverse-Flow Technology The LT1 engine was used in a variety of General Motors models, including 1992-'96 Corvette (Y-body), 1993-'97 Camaro and Firebird (F-body), and 1994-'96 Chevy Caprice and Impala (B-body), Buick Roadmaster and Cadillac Fleetwood (D-body). More

Tech Feature: Manifold Makeover - Increasing Engine Power An intake manifold is more than the plumbing that connects the carburetor or throttle body to the ports in the cylinder head. It is an integral part of the induction system that has to match the airflow characteristics of the cylinder head and camshaft, as well as the displacement and rpm range of the engine. A well-designed manifold that is properly matched to the engine's requirements will make more... More