fuel system Archives - Tech Shop Magazine
Fuel Pumps and Cranking

Diagnosing the problem comes down to understanding what causes a loss of fuel pressure.

Help Customers Fight Rising Gas Prices with Rislone Fuel System Cleaner

The ingredients work to improve the quality of gas by increasing its cleaning ability, adding lubrication and removing contaminants.

Fuel Tank Sealer Kit Removes Rust, Permanently Seals the Tank

This three-step system will remove and stop rust on the inside of the tank as well as form a tough, fuel impervious coating that also seals small pinholes and seams.

KBS coatings
Tech Tip: Spot and Solve Common Fuel System Problems 

There are basically two ways to treat these malfunctioning fuel injectors: replace them or clean them. Replacing fuel injectors can be a costly process, while cleaning is faster, cheaper and can be very effective.

Fuel System FAQ

How do I test the wiring for the fuel pump on a vehicle? What are the symptoms of a clogged fuel filter? What are the signs of E85 contamination? What should I do when I install the new pump and it doesn’t work? Get the answers to these questions and more in this Fuel System FAQ.

Delphi Product & Service Solutions Announces 28 New Fuel Modules And Pumps Covering 4.4 Million Vehicles

Delphi Product & Service Solutions has introduced 28 new fuel modules and pumps to its fuel management portfolio covering more than 4.4 million popular vehicles built from 1990 to 2013, including Jeep, Audi, Chevrolet, Volkswagen, Chrysler, Volvo, Nissan, Ford and Honda applications.

BMW Fuel System Repair Essentials

The BMW N54 fuel pump recall a few years ago brought to light the importance of the integrity of the fuel system and how it can contribute to the overall reliability of a vehicle. These fuel quality issues apply to all BMW vehicles with either port or direct injection. The underlying message here is that if the cleanliness and overall integrity of the fuel tank is ignored, it will damage any fuel pump. This is why addressing the fuel tank is essential during any pump replacement to prevent costly comebacks that can also hurt your reputation.

Thumping Noise At Cold Start On Honda Accord

Honda Accord owners may report a thump as the ignition switch is released from the start position or as the engine starts. This noise sounds similar to a rubber mallet striking the frame and occurs only on a cold start (the vehicle has been sitting for some time, usually overnight).

Toyota Tech Tip: Rough Idle, Surging Between 500 To 800 RPM

The owner of 2005 Toyota Avalon complains check engine light is on, rough idle and engine idle surging between 500 and 800 rpm. The technician retrieved Diagnostic Trouble Code (DTC) P0171 and P0174 (System too lean banks 1 and 2). The technician replaced the air fuel sensors on both banks and cleared DTCs. After driving vehicle for approximately one mile, all symptoms returned.

10 Signs A Fuel Injector Needs To Be Replaced

In the past 30 years, the fuel injector has moved from the intake manifold to the combustion chamber. During this evolution, injectors have become more precise in dispensing fuel. If this precision is thrown off by restrictions, electrical problems or fuel problems, it can cause driveability issues. These are the top 10 signs fuel injectors need service or replacement.

The 1998 Jimmy-Blazer Fuel Tank Dilemma

The Chevrolet Blazer and GMC Jimmy are popular GM vehicles, and in 1998 they were equipped with a number of vehicle options that make determining the correct fuel module for either application confusing. These vehicle applications could potentially offer three different fuel modules to fit.

Why A Clean Fuel Tank Is Important For A Fuel Pump’s Diet

Fuel pump replacement comebacks can be costly and can hurt your reputation. One of the leading causes of failure is the tank. If a vehicle gets 20 miles to the gallon, then more than 5,000 gallons of gas (from many stations) will go through the tank in 100,000 miles. During this time, sediment, rust and debris from the pump can find its way into the tank. Removing all contaminates is critical.