WATCH: Causes Of Fouled Spark Plugs

WATCH: Causes Of Fouled Spark Plugs

Internal coolant leaks can foul a spark plug and cause a misfire. The problem could be a leaking intake manifold or a head gasket, and the fouled plug might be localized to one or two adjacent cylinders.

You know that you or your customer might try to replace spark plugs WAY before the should be failing.

You already know a vacuum can be generated in the cylinders whereby engine oil is drawn past the rings and into the combustion chamber. It’s going to cause spark plugs to fail WAY before they’re expected to.

So what about other problems? You may not know this, but internal coolant leaks can foul a spark plug and cause a misfire. The problem could be a leaking intake manifold or a head gasket, and the fouled plug might be localized to one or two adjacent cylinders.

Learn more in my latest installment of Counter Intelligence.

You May Also Like

From Building Race Engines to Building Sales Teams

Dave Caracci is a guy who can wield a wrench as deftly as he can a sales pitch.

In this latest episode of “AMN Drivetime,” Babcox Media CEO Bill Babcox sits down with Dave Caracci, longtime aftermarket veteran who currently serves as executive director of the Automotive Sales Council.

While he racked up a stellar career as an aftermarket sales professional, Caracci has many skills he has cultivated over his long and successful career. Dave is a guy that can wield a wrench as deftly as he can a sales pitch.

MEMA Establishes Center for Sustainability

The mission of the new Sustainability Center is to serve MEMA members wherever they are in their sustainability journey.

MEMA Names Jackson Executive Director of Strategy and Research

He most recently was executive director of strategy and research for MEMA’s light-duty original equipment division. 

MEMA Taps Gardner to Lead Marketing and Communications

Prior to MEMA’s reorganization, marketing and communication responsibilities were siloed across MEMA’s four divisions.

MEMA Reveals New Business Structure, Branding Strategy

MEMA will operate with two groups: MEMA Aftermarket Suppliers and MEMA Original Equipment Suppliers.

Other Posts

What Are Direct Ignition Coils?

The stick coil eliminates ignition wires and utilizes wasted space by fitting neatly into the spark plug bore.

Protecting Tools and Equipment from Rust and Corrosion

Rustgard’s protective coating preserves their life and functionality.

Schaeffler Releases Technical Bulletins for LuK Product Line

For more than 50 years, LuK has been one of the most trusted and recognized brands in the automotive aftermarket.

Recommending Antifreeze/Coolant for Heavy-Duty Engines

There are three basic formulations of heavy-duty antifreeze/coolant.