How to diagnose a P0455 code2014-05-221344
Code P0455 for a gross leak keeps coming back. The technician replaced the fuel cap and it came back. The technician then smoke tested system and cannot find any leaks.
How to Find an Evaporation System Leak2014-05-221629
A smog check, or emission control inspection, along with a code scanner, can determine a small or large EVAP system leak. A vehicle owner can use a smoke machine to pin-point the exact location of...
Diagnostic Trouble Code Descriptions2013-11-212845
Each specified fault code has been assigned a description to indicate the circuit, component or system area that was determined to be at fault. The descriptions are organized such that different...
Terms and Definitions for OBDII Standard2013-11-212448
Most circuit, component, or system diagnostic trouble codes are specified by four basic categories: General circuit /open ,Range/Performance problem,Circuit Low, Circuit High, but do you know what...
OBDII code categories2013-11-203074
ALL OBDII DTC code definitions follow the rules, and its easy to determine which system its in, when a DTC rises. the DTC itself will tell in which system it is, if you have an idea.