Diesel Glow Plugs Operation
Having higher pressures and metered fuel at the right time means more efficiency, less pollution and lower fuel consumption.
Read Your Copy of the December Digital Edition Now
This month’s digital magazine includes articles from Underhood Service, as well as other technical and marketing topics.
Ford: Permanent Diagnostic Trouble Codes (DTC’S)
A Permanent DTC can only be cleared by the module strategy & cannot be erased by clearing with a scan tool.
Ignition Diagnostics
This part of the cycle is when the mixture of air and fuel ignites and how the flame front spreads in the cylinder.
Veterans and Vehicles – You are in good company
Since 1931 we have chronicled the sacrifices and successes veterans have made for our country and the auto care industry.
Seasonal Fuel Blends
The cause of the misfires is the temperature fuel evaporates, otherwise known as the volatility.
Fuel Injector Waveform Diagnostics
On the majority of injectors, an electromagnetic coil is energized by a driver in the engine control module.
Replacement Parts Quality – Better Than Ever
Despite what some people may believe, high-quality replacement parts are more common than ever.
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.
Ford Grinding Or Rattling Sound From The Transmission
Ford 2018-2019 F-150 with the 5.0L Engines may be experiencing a strange metallic grinding sound. Here’s the fix.
Nissan Code P0603 Stored For ECM Back Up Circuit
The P0603 code deals with battery issues such as low battery voltage, discharged battery or battery terminal disconnections.
Understanding Engine Control Module No Communication Issues
You plug in your diagnostic scanner or code reader, only to find out that you cannot communicate with the PCM. Bad PCM Right? Not necessarily!
