What causes a P0420 code? (VIDEO)
If the front signals and the rear signals look identical, the catalyst is not doing its job. Sponsored by AP Emissions.
Tech IQ: Getting Rid of Code P0315 (VIDEO)
The code might set again when the engine is cranked. This video is sponsored by Auto Value and Bumper to Bumper.
Nissan: MIL On With Code P0603 Stored For ECM Back Up Circuit
Step 1: Confirm that the battery voltage is 11 volts or more, with the ignition on and engine off.
WATCH: BMW DISA Valve Causing Code
In this Tech Minute, Jason Stahl explains how a failing DISA Valve on a BMW can throw various codes and what the replacement options are. Brought to you by Intermotor Genuine Import Parts.
2002 Lexus Evaporative Emissions Diagnostics (Codes P0440, P0441 and P0446)
Anyone who works on an evaporative emissions code knows there are as many possible causes as there are ways to determine the failure, says Import Specialist Contributor Frank Scandura, who discusses the strategy he used on a 2002 Lexus SC 430 that came in with a check engine light and evap codes P0440, P0441 and P0446.
Volkswagen: Parking Indicator Sounds Off with No Obstacle
Customer complains that the parking assistance issues warning sounds for both the front and/or rear of vehicle with no obstacle in range. Water intrusion into sensor holders is causing corroded plug contacts and sensor electrical pins, which results in acoustic feedback in the attachment area of sensor(s). Front Parking Aid Sensor Procedure • Turn ignition
