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Toyota’s legendary engines like the 2JZ-GTE and 2UZ-FE prove that thoughtful engineering, precise diagnostics, and preventive maintenance can keep vehicles running for decades. From interpreting ...

The technology available to managers and service technicians on their smartphones continues to get better—now Cummins engine owners can use a mobile app to read prioritized engine fault codes and ...

Repair Reports generated by the Lemur BlueDriver not only interpret error codes, but suggest causes and fixes. The Smog Check feature can let you know if your car is ...

Modern vehicles’ onboard diagnostic systems can activate the check engine light for issues beyond the engine, including transmission faults. Problems such as overheating gearboxes, faulty control ...

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 ...

For all its '81 vehicles, GM introduced a computer-controlled engine-management system named Computer Command Control. It became known as CCC or C-3. The engine controller—first called an engine ...

I think you could be looking in the wrong area. U2105 is an engine fault code, which perhaps helps explain why it comes on under heavy acceleration or travelling uphill. I would have a diagnostic ...

This story appears in the April 17 print edition of iTECH, a supplement to Transport Topics. Troubleshooting dysfunctional trucks from afar through the use of remote diagnostics can help carriers ...