Throughout your vehicle’s lifetime, you will encounter a range of issues. For instance, your brake pads may become worn, your AC unit might start to produce an unpleasant smell, or your axle may break ...

Code P0720 is one of the OBD codes that is activated when the Powertrain Control Module (PCM) detects erratic or insufficient input from the output shaft sensor (OSS). Such a code generally indicates ...

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Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

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In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

In the last Diagnostics episode, we outlined the vital information provided by compression and leakdown testing and illustrated how to use these most important tools. These tests reveal the internal ...

Carmakers often give engines internal naming designations to identify them during engineering and production. Usually they're just a collection of letters and numbers, indecipherable to the average ...