Menu

Circuit

A complete path for an electric current.A race course.

woman removing a battery from her engine compartment to demonstrate how car batteries work

How Car Batteries Work

Ever wonder how a car battery works? Read this article and learn how they power your vehicle.

Read More

P0725: Engine Speed Input Circuit Malfunction

P0725: Engine Speed Input Circuit Malfunction

Seeing P0725 on your code reader? Learn common causes and solutions for this error.

Read More

AutoZone associate explaining what P0496 means to a customer

P0496: EVAP Flow During Non-Purge Condition

Wondering what P0496 indicates? Learn some common causes and solutions.

Read More

AutoZoner using Fix Finder scan tool to diagnose P0401

P0401: Insufficient EGR Flow

Seeing P0401 on your code reader? Learn some common causes and solutions to this problem.

Read More

AutoZone associate using code reader to diagnose CEL P0449

P0449: Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction

Getting P0449 on your scan tool? Learn what this code means and what to do about it.

Read More

AutoZoner suprised to read P3400 on his Fix Finder code reader

P3400: Cylinder Deactivation System Bank 1

Reading P3400 on your scan tool? Check out some common causes and solutions to this problem.

Read More

AutoZoner consulting his OBD reader and attempting to determine how to fix code p0136

P0136: O2 Sensor Circuit Low Voltage (B1S2)

Just ran an OBD scan and got P0136? Find out common causes and solutions.

Read More

AutoZoner consulting his OBD reader and attempting to determine how to fix code P0011

P2138: Throttle/Pedal Pos Sensor Voltage Correlation DTC

Reading P2138 on your scan tool? Learn what this error code means and what to do about it.

Read More

P0122: Throttle Position Sensor/Switch A Circuit Low Input

P0122: Throttle Position Sensor/Switch A Circuit Low Input

If you see P0122 on your scan tool, check out this article to learn some common causes and solutions.

Read More