So, fuel system testing, always starts, by just listening.
Fuel system testing starts by, turning the ignition key to the run position, and carefully listening. Consequently, there should be a slight humming sound, coming from the fuel tank. This humming sound, should continue for approximately 2 seconds, before stopping.
Choose Your Help Topic Below
Fuel Pump Failure – The Most Common Causes And Symptoms
Fuel Pump Related No Start Problems – What Should You Check
Automatic Shutdown (ASD) Relay – Function – Failure – Testing
Fuel Pump Issues – Excessive Heat – Contamination, Dirt, Rust
Noid Light – Tests For An Electrical Signal, At The Fuel Injector
Fuel Wash – What is it – Check If You Have It – Common Causes
Fuel Injectors – Usually Only Fail, In One Of Three Different Ways
Mechanical Fuel Pumps – Everything You Need To Know
Fuel Injector – Deposits Can Build Up And Clog The Fuel Injector
Fuel Pressure Regulator – Do You Have The Correct Fuel Pressure
Electric Fuel Pumps – How Do They Work – How Can They Fail
Fuel Pressure Regulators – Function, Failure Symptoms And Testing
Fuel Pump Relay – Function – Failure – Testing Procedures
Idle Air Control Valve (IAC), Function, Failure Symptoms – Testing
BY DANNY BENDER