What Is Lurking In Your Fuel Tank?
The unseen danger within a fuel system is corrosion until its too late. This article highlights many of the items that need to be a part of your maintenance schedule. “It all starts when a technician notices a few drips of fuel coming from a vehicle’s tank....
Frank Massey’s Top Ten tests with PicoScope: #1 Cranking current
This video provides some great information on using a lab scope.
Importance of Octane
While Octane ratings specifically refer to the quality of gasoline, many consumers do not know what they mean, how they affect their vehicles, or how they are calculated. As an automotive technician, you have heard of them, but you may be unaware of some of these...
Direct Injection And Carbon Deposits
While these fuel injection systems worked well, we did see carbon deposits build up on the intake valves — a condition that could cause some poor cold starting. To combat the carbon deposits, we bought a walnut blaster so we could remove the intake manifold and blast the deposits away with walnut shells. Those cars gradually disappeared, and it was about seven years ago when I put the walnut blaster into the storage shed thinking I would never have to use it again…
Oxygen Sensor Codes
An oxygen sensor code doesn’t always mean a bad O2 sensor. If the computer sets a soft code, this means the SES light doesn’t stay lit and chances are there is something affecting the mixture and the computer is throwing an O2 code.