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Symptoms of a bad fuel pump -

Symptoms of a bad fuel pump - Bookshelf

204 pages

Popular Science


If you get a low vacuum reading while cranking, the fuel pump is bad and must be replaced. A weak fuel pump can cause decreased engine performance and a marked loss of power at higher rpm. (In rare cases, a worn lobe on the cam that ...

About this book
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.

132 pages

Outboard Engines, Maintenance, Troubleshooting, and Repair

Creator: Edwin R. Sherman | Transportation - 1997

Use it to find loosely mounted engine components such as starters, regulators, fuel pumps, and the like, before they fall off. ... A trim tab that feels loose in its mount can cause steering problems and may need adjustment. ... Faulty fuel pump. 5.

Publisher: McGraw Hill Professional

About this book
If like most do-it-yourselfers you've relied on a sketchy owner's manual or one of those abstruse shop manuals written for professional mechanics to keep your onboard running, here's an end to your frustration. This abundantly illustrated nonthreatening guide is filled with effective maintenance, repair, and advanced troubleshooting advice for two-cycle and four-cycle engines from 2 to 250 horsepower. Although outboard engines have become more reliable, they're also more sophisticated and require more than a passing knowledge of mechanics to troubleshoot and repair. Outboard Engines covers recent developments such as electronic ignition, oil injection systems, and four-stroke powerheads. Your fears about the reliability of your "finicky" outboard are over!

116 pages

Popular Mechanics


On fuel-injected cars with idle-speed control motors or idle air valves, consult your manual for instructions on idle-speed adjustment. Timing is ... In many cases , a bad accelerator pump will also cause difficult starting when the engine is cold.

About this book
Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.

Fuel Directory

Bad Fuel Pump Check Valve Symptoms | eHow
Bad Fuel Pump Check Valve Symptoms. A fuel pump check valve is a component of a mechanical fuel pump, which is found on many vehicles that were manufactured before ...

Signs & Symptoms of a Bad Fuel Pump Relay | eHow
Signs & Symptoms of a Bad Fuel Pump Relay. When an engine is losing power or refusing to start, the problem may be with the fuel delivery system. The fuel delivery ...

Bad Fuel Pump Relay Symptoms - Buzzle
Bad Fuel Pump Relay Symptoms. If you are looking for information on symptoms, that are indicative of a bad fuel pump relay, then you have landed on the right page.

What are Bad Fuel Pump Symptoms ? - Discount Auto Parts
Faulty fuel pump? Showing symptoms of a bad fuel pump? Diagnose if your fuel pump is showing bad fuel pump symptoms

Symptoms of a Bad Fuel Pump - Buzzle
Symptoms of a Bad Fuel Pump. A fuel pump serves the same purpose in a vehicle, as the heart in a living being. It facilitates the supply of fuel to the engine, making ...


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Editor's picks

  • Dorman - OE Solutions

    Dorman 590-001 Fuel Pump Driver Module

    Automotive Parts and Accessories (Dorman - OE Solutions)
    List Price: $90.96

    The OE part number is 4L3Z9D370A, 5L8Z9D370A
    Controls the voltage to the fuel pump required to achieve the correct fuel pressure