Manifold

A device used to hold two or more gauges with fluid passages and flow provisions; used for testing and servicing purposes.A conduit-like device used to channel the air/fuel mixture into an engine.A conduit-like device used to duct the exhaust gas out of an engine.

Man looking at his Mustang in the garage and wondering

How to Find and Fix Exhaust Leaks

It's always a good time to do something about that exhaust leak. Learn common places these leaks occur as well as methods for finding and fixing them.

Close up image of an engine with four fuel injectors running along the fuel rail

The Evolution Of Fuel Injection

Ever wonder about the history of fuel injection? Us too. Check out how cars moved from carburetors to electronic fuel injection.

AutoZoner preparing Fix Finder code reader to diagnose P2004

P2004: Intake Manifold Runner Control Stuck Open Bank 1

Seeing P2004 when you check your codes? Learn some common causes and solutions to this error.

AutoZoner scanning a Dodge truck for P0106

P0106: MAP/Barometric Pressure Circuit Range/Performance Problem

Reading P0106 on your scan tool? Learn some of the most common causes and solutions here.

P0420: Catalyst System Efficiency Below Threshold

Seeing P0420 on your code reader? Learn some common causes and solutions for this issue.