You searched for PCM - Page 5 of 71 - UnderhoodService
Ignition Coil on Plug Diagnostics

Coil on Plug (COP) ignition systems are used in all modern engine designs. Understanding the various Coil on Plug types and how to troubleshoot the root cause of various COP engine management systems is important. Attend this webinar to learn best practices for streamlining your Ignition Coil on Plug diagnostic process through “real-world” scan tool

Fuel Trims

To gain a better perspective on fuel trims, think about how “analog” vehicles dealt with changing fuel and air mixtures.

FORD Active Exhaust System Concerns

These concerns may be caused by an improperly seated exhaust system.

Ford No Crank/No Start

Some 2020 Transit vehicles may exhibit an open master fuse in the high current battery junction box

Chrysler No-Start After Being Parked

When leaving a Chrysler PT Cruiser parked for an extended period of time, it could fail to start.

Oxygen Sensors And Catalyst Efficiency

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

No Go? Battery and Starter Diagnostics

What seems like a problem with one could be an issue with the other.

Gasoline Direct Injection Is Better, But Not Perfect

GDI technology has improved but drivers could face problems if they don’t keep up with maintenance.

New Rislone Product Address Power Steering-Related Issues

This product is a dependable solution for customers suffering steering “whine.”

Understanding The Autel ITS600 Functions (VIDEO)

Joe Keene goes over the functions the Autel ITS600 has to offer. This video is sponsored by Autel.