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Audi Fuel System Diagnostics

When a 2009 Audi A4 was towed in the other day, and Code P0087/16471 “Fuel System Rail Pressure Too Low” was found stored in the ECM, it was way too easy for my tech to say, “I bet it needs a new high-pressure pump.” If I were a betting man, he would have lost. It seems that nine times out of 10, it does need a high-pressure pump, but there are other problems that will set that code.

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. While BMW never officially stated what was causing the high-pressure fuel pumps to fail, some put the blame on low-quality fuel that might have been contaminated or had higher-than-normal ­levels of ethanol.

Hyundai Fuel System & Emissions Diagnostics

Take a look at the fuel ­injection system and driveability issues on Hyundai’s line of ­vehicles.

Under the Hood: ‘Tanking’ Fuel Systems

Diagnosing Failing Fuel Pumps

Fuel System Basics Quick Quiz

Do you have a thorough understanding of the fuel systems? Knowing the basics is the first step in being a great technician. If you are an automotive student, instructor, new tech or shop owner looking for an overview of the fuel system then check out Fuel System Basics.

Ford Electronic Returnless Fuel Systems

In this tip clip excerpt from the complete Fuel System Testing Strategies class instructor Bill Fulton talks about the Ford Electronic Returnless Fuel systems and how to perform tests on this system using your DSO. He shows us the parameters to watch out for on your scope and how to interpret the info you see.

Fuel System Testing

Learn comprehensive tactics that begin at the fuel tank and extend through the injectors and into the combustion chamber.

Quick Quiz: Fuel Systems

Do you know the proper procedures for a fuel volume test of the fuel pump? Do you know the data operation of the 4 types of O2 sensors? Test your knowledge on the comprehensive tactics of fuel system testing strategies with this five question quiz.

New Fuel System Related Training Videos for Counter Personnel and Technicians

The free videos, available from AASA Fuel Pump Manufacturers Council, provide education on fuel pump diagnostics, repair.

Airtex Launches New Online Technical Resources for Fuel System Repair

Airtex Fuel Pumps has announced the launch of its new free Fuel Delivery Systems Information (FDSI) online resource. Vehicle and application-specific information available online includes: fuel pressure specifications, labor times, technical service bulletins and wiring and component locations.