Top EVAP Tips When Replacing Fuel Pumps
Nothing is worse that an EVAP code after a fuel pump has been replaced. Discovering that the tank needs to be dropped again to address a problem can kill shop productivity and profitability. Keep reading for tips that can help you avoid comebacks and dropping the tank for a second time.
VIDEO: Diagnosing Fuel System Leaks In GDI Systems
Jason Stahl discusses gasoline direct injection systems, and ways to prevent leaks in the system after a fuel pump or injector have been replaced.
VIDEO: Test Your Fuel System Cleaner Knowledge
How much do you know about Complete Fuel System Cleaners? Counter Intelligence is Next!
VIDEO: Fuel Cleaner Additives 101
Specialty automotive chemicals. They are lots of them! And each one is designed for a very special purpose.
Fuel Pump Pressure: Optimal Flow Factors
All too often, technicians assume fuel pressure is “good” without actually measuring it. If the engine runs, they assume the injectors are getting adequate fuel pressure. If the engine cranks but won’t start, and they depress the service valve on the fuel rail and some fuel squirts out, then they assume the injectors have pressure.
Tech Tips: Direct Fuel Injection Cleaning
Models: 2009-2014 GM Vehicles With Any of the Following Direct-Injected Gasoline Engines 2.0L (RPO LNF) 2.4L (RPO LAF, LEA, or LUK) 2.8L (RPO LAU) 3.0L (RPO LF1 or LFW) 3.6L (RPO LFX or LLT) Some customers may complain of a MIL (malfunction indicator lamp, or check engine light) and engine misfire. In some cases, the
Diagnosing Pulse-Width Modulated PWM Fuel Pumps
Here are five things you should know about pulse-modulated fuel delivery systems.
Flex Fuel: Ethanol vs. Gasoline
For political and economic reasons, the use of ethanol gasoline in the U.S. has always been controversial.
Hyundai Fuel System And Emissions Diagnostics
We recently had a 2002 Elantra GLS in the shop with assorted issues, so let’s take a look at this job since it’s a good example of some common problems we see.
Top 10 Fuel Pump Fails
Ten problems to be aware of when a vehicle’s fuel pump fails.
