OBD II Archives - Counterman Magazine
An Introduction to OBD II

Learn how it monitors engine performance, detects issues, and helps with vehicle maintenance and repairs.

Automotive Scan Tools Are Like Modern-Day Wrenches

The type of scan tool that’s used for diagnostics can mean the difference between fixing the problem and just probing around the issue and not getting anywhere.

Why Fuel Injectors Fail

Fuel injection has been the primary system in nearly every production engine made in the past two decades.

Crankshaft Position Sensors: Getting to the Root of the Problem

Crank position sensors are an electronic device used to monitor the position and speed of the crankshaft.

Spark Plugs: Replacement Considerations

Replacement spark plugs must be the same size as the original (same hex size, diameter, thread pitch and length), and have a similar “heat range” (hot enough to resist fouling when the plug is cold, and cool enough to resist pre-ignition when the plug is hot).

OTC Announces Updates For 3834, 3838 TPMS Tools

OTC released the 2017 TPMS software update for the OTC 3834 TPR Activation Tool and 3838 OBD II TPMS Tool.

Aftermarket Suppliers Gravely Concerned About OEMs’ Desire to Control Telematics Data

If the automakers convince federal legislators that they should be the ultimate gatekeepers of telematics data, it would be a crushing blow to the automotive aftermarket, participants in a recent Auto Care Association webinar asserted.

Head Gasket Leak: Symptom of a Failing Gasket

The first symptoms of a head gasket that is failing are usually a slow loss of coolant with no visible leaks, engine overheating and/or a Check Engine light with cylinder misfire codes.