fuel Archives - UnderhoodService
The Impact of Fuel Type on Engine Performance

When fueling, consider engine design, manufacturer recommendations and usage.

Get your vehicle road trip ready with these summer tips 

Summertime is a great time to take your car out on the open road, but it’s also important to ensure that your vehicle is in tip-top shape. Regular preventative maintenance can help you avoid costly repairs and keep your car running smoothly. Make sure you’re ready with these helpful tips from Delphi Technologies. Chassis The

Fuel Tank Contamination

A number of things can cause a fuel filter to plug up.

The Switch To E15 Fuel And Code P0316

The upcoming change to E15 fuel can bring new misfire codes. Sponsored by Rislone.

Oxygen Sensors And Catalyst Efficiency

Newer air/fuel ratio or wide-band sensors can detect a wide range of fuel conditions.

E-15 Ethanol Damage to Fuel Pumps

One of the problems with ethanol is how it reacts to water in the air and in the tank.

Fuel Tanks and Pumps

The behavior of the fuel wells, pumps & sending units are often misdiagnosed, leading to fuel pumps being replaced.

Checking Your Fuel (Video)

Fuel systems can have many possible issues to diagnose. This video is sponsored by AP Emissions.

E-15 Summer Blend Fuels Shouldn’t Make A Difference (VIDEO)

Summer blend fuels may seem different to some consumers, but any effects they have are negligible. Sponsored by Autolite.

Seasonal Fuel Blends And Misfires (VIDEO)

Here’s what happens when your fuel does not match the weather. This video is sponsored by Standard Motor Products.

Fuel Injector Waveform Diagnostics

On the majority of injectors, an electromagnetic coil is energized by a driver in the engine control module.

Servicing Fuel Level Sensors: Fuel Gauge Inoperative?

Do not remove the fuel level sensor from the fuel module unless you get a faulty reading during the testing of the sensor.