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Fluid Rx Diagnostics Releases Science & Technical Journal

When additives deplete, fluids degrade and are unable to perform their intended functions.

Starter & Battery Diagnostics

Because the permanent or “ferrite” magnets that are used in starters are made of a brittle ceramic material, they are vulnerable to cracking caused by sudden impacts. Cracked magnets can be tough to diagnose; here’s what you should be looking for.

Cracked magnets can be tough to diagnose, which is why it’s usually better to replace the starter as an assembly than to repair or rebuild it.
Air Filters and Fuel Trim Diagnostics

As engine conditions change, fuel trims will change. Here’s what you need to know to diagnose modern engine problems.

Fuel trim is the adjustment the engine computer makes to the fuel mixture to maintain a balanced air/fuel ratio.
Secondary Ignition Diagnostics

There’s more to ignition science than looking for the classic quarter-inch long “hot blue spark” jumping from coil secondary to ground.

spark plug, secondary ignition diagnostics
New Snap-on Diagnostics European Coverage

Snap-on has released an upgrade to its European coverage with more content and innovative features.

Wheel Speed Sensor Diagnostics

Understanding the criteria setting the codes and how the electrical circuit can cause that code is critical.

Wheel speed sensor wiring diagram
Full Vehicle and Motorcycle Diagnostics in One Tool

Snap-on’s SOLUS LEGEND allows technicians to take on more jobs with access to coverage for 49 domestic, Asian and European vehicles as far back as 1980.

Fluid Rx Diagnostics Reaffirms Industry Compliance

The company offers an instant lubricant test that reveals the actual condition of a vehicle’s vital fluids.

How Technology is Changing Charging System Diagnostics

Here’s what you need to know to better understand the concept of computer-controlled charging systems.

Air Ride Diagnostics Q&A: What You Don’t Know Might Be the Missing Piece of the Diagnostic Puzzle

Both four-corner and two-corner air ride systems have sensors that measure ride height, pressure and other information to control the suspension. Why is this important? Knowing the basic architecture will help you find components quicker and carry out leak checks faster.