Fuel System

Fuel System Related Problems – Not Always Easy To Solve

01/22/2026

Fuel system related problems can be time consuming and difficult to solve. Consequently, anything that might affect the flow and pressure, is going to result in poorer performance. So, the biggest cause of any fuel […]

Mechanical Fuel Pumps – Everything You Need To Know

01/13/2026

The standard mechanical fuel pumps found on classic cars are very reliable. With that said, nothing automotive lasts forever. So at some point mechanical fuel pumps will fail. Most mechanical fuel pumps are used on […]

Fuel Pressure Regulator – Do You Have The Correct Fuel Pressure

01/05/2026

A fuel pressure regulator is an integral part of a vehicle’s fuel system. Now most engines use a fuel pressure regulator. However, there are things that can go wrong with them. Your fuel pressure regulator […]

Fuel Pump Issues – Excessive Heat – Contamination, Dirt, Rust

11/19/2025

The fuel pump should deliver fuel from the fuel tank to the engine; at the appropriate pressure. Fuel pumps on most modern vehicles are electric and are mounted in the fuel tank. However, older ones […]

Fuel Pressure Regulators – Commonly Fail In One Of Two Ways

10/07/2025

All fuel-injected engines, have fuel pressure regulators to maintain a regulated high-pressure level. Fuel pressure regulators, must keep the pressure constant, in order for all the components of the system to work properly. Consequently, if […]

Throttle Position Sensor (TPS) – Function – Failure – Testing

09/03/2025

So, the throttle position sensors function (TPS), is to supply vital information to the vehicles engine control unit (ECU). And, this information is based on, the actual position of the engines throttle valve. So, your […]

Fuel Pump Relay – Function – Failure – Testing Procedures

06/09/2025

The fuel pump relay, is activated whenever the ignition is turned on. So, the primary function of the fuel pump relay, is to maintain a steady voltage supply to the fuel pump. Therefore, when switched […]

Fuel Getting Into Engine Oil: Learn The Cause, Effect And The Fix

03/20/2025

First, fuel getting into engine oil is bad. Because, it lowers the lubricating qualities of the oil. And, it lowers the engine oil viscosity, causing the oil to thin out to a dangerous level. Above […]

Fuel Wash: What is it – Check If You Have It – Common Causes

03/03/2025

There is a condition, that adds to many engine failures, generally referred to as, “fuel wash”. Above all, there is only thing protecting your cylinder walls and bearings, from fuel wash. Consequently, that is, the […]

Fuel Injectors: Usually Only Fail, In One Of Three Different Ways

02/05/2025

So, today’s fuel injectors are a vital part, of a complex fuel management system. Fuel injectors, are basically a spray nozzle, that atomizes the fuel. Then, performs the final stage of delivery, to the engine. […]

Carbon Deposits On Back Of The Intake Valves

Carbon Deposits in Engines: Causes, Effects, and Prevention

12/14/2024

So, carbon deposits are formed, by the black soot that collects, and hardens in your engine. Consequently, every engine produces carbon. But, some engines are worse than others. So, the reason all engines have carbon, […]

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