As a service to our readers, we've listed many of the common Diagnostic Trouble Codes for '81-'95 Pontiacs in a chart on the preceding page. Note: Due to the once-emerging science of onboard self ...

Whether your engine is running low on oil or a spring is out of place, the OBD steps in to diagnose the issue. Onboard diagnostics provide near-universal codes, allowing users to understand what ...

Most of us cringe in fear when the check engine light in the dashboard of a modern 4x4 is tripped on. Your mind begins to spin in frustration wondering what could have triggered it, how bad it ...