External Auto Engine Parts
Be Careful When Replacing That Diesel Air Filter

Modern passenger and light-duty diesels with ECMs have mass airflow sensors and precisely control fuel ­delivery. Key to the efficiency and lifespan of the diesel engine is the diesel air filter. A restricted air filter will not affect fuel economy but will drastically affect power output. We asked prominent filter manufacturers for some diesel air

diesel air filter replacement gauge
Dayco To Showcase PowerBond Diesel Performance Harmonic Balancers At PRI 2014

To cater to the growing diesel-fueled passenger truck market, Dayco Products announced it will showcase its newly added PowerBond Diesel Performance Harmonic Balancer product line during the Performance Racing Industry’s (PRI) annual trade show, Dec. 11-13 at the Indiana Convention Center in Indianapolis, Ind. Designed as a high-performance alternative for diesel powered passenger trucks, PowerBond

Fuel Line Replacement: The Why and How

If you live in a state that doesn’t get snow, you can stop reading right now. If you live in the Snow Belt, you are about a month away from snow and ice. It’s not the adverse driving conditions that should scare you or your customers, it’s the trucks with large white tanks strapped to

Fuel line hose
Top Ten Fuel Pump Fails

10. Strainer Blocks Fuel-Level Sender A fuel pump inlet strainer may be installed that is interfering with the travel of the fuel-level sensor’s float arm, which causes an optimistic fuel level reading. Dented fuel tanks may also cause a false reading by pushing the fuel-level sensor and fuel pump inlet filter above the remaining fuel

fuel pump failure
Penray Introduces Pow-R 365 5-In-1 Year-Round Diesel Treatment

The Penray Companies Inc. has introduced a new year-round diesel fuel product for medium- and heavy-duty vehicles called Pow-R 365 5-in-1 Diesel Treatment. According to Penray, the product’s versatile blend of additives and conditioners improves fuel economy and engine performance in commercial and construction/agricultural operating environments in both summer and winter seasons. Pow-R 365 gets

Honda Oil Pressure Switch Issues

The following Tech Tip comes courtesy of ALLDATA We have noticed an increase in oil pressure switch-related problems with late-model Honda vehicles recently. Two switches that seem to be consistently problematic are the rocker arm oil pressure switch and the engine oil pressure switch. Each exhibits a unique set of symptoms, but the fix is

Honda Oil Pressure Switch tech tip
Delphi Announces New Part Numbers To Fuel Management Portfolio

Delphi Product & Service Solutions has announced the addition of 205 new fuel modules, three new electric fuel pumps, eight new universal fuel pumps and 54 new hanger pump assemblies to its fuel management portfolio, covering more than 38 million vehicles built from 1965 to 2014, including Ford, Chrysler, Dodge, Chevrolet, Mercury, Volvo, Toyota, Nissan

Driveability Diagnostics and Direct Injection

Direct injection is becoming standard on more and more late-model vehicles. These systems can be a diagnostic challenge, but with the right foundation, problems can be solved profitably. Years ago, all a low-level technician needed to diagnose a fuel problem was a set of “noid lights,” a fuel pressure gauge and maybe a meter. These

Direct Injection Fuel System
Spectra Premium Introduces 69 New SKUs

Spectra Premium has announced the release of 69 new SKUs. These new parts cover more than 18 million vehicles on the road today. Coverage includes fuel tanks, straps, filler necks and fuel modules, for popular late-model domestic and import applications. New products include: • 26 fuel pump assemblies for 2011-’12 Ford F-Series 6.7L Diesel (SP2477M);

Fuel Injector Replacement Tip: Watch For Heat Soak

Fuel injectors play a big role in today’s vehicles, which emphasize precision and timing in order to improve fuel economy and reduce emissions. If those fuel injectors are clogged or out of whack, then all of that precision goes out the window. If you missed it, be sure to check out our 10 Signs a Fuel Injector

Fuel Injector Replacement
The Best Tests For Fuel Delivery Systems

The ancient Greek philosopher Heraclitus said that there is nothing permanent except change. Greek history aside, it’s easy to spot change in our current market because vehicle fuel delivery technology has evolved to ­include conventional, pulse-modulated and direct fuel injection fuel delivery systems, with each having a specific set of components and testing issues. In

Testing Fuel Delivery Systems
Bosch Unveils ChooseTheRightInjector.com

Bosch has announced the launch of a new customer awareness initiative designed to help diesel vehicle owners and technicians make the right choice when purchasing replacement injectors for vehicle service. The cornerstone of the initiative is a new website, ChooseTheRightInjector.com, which offers in-depth information on a variety of key topics, including: • Why injectors fail