The regulator controls fuel pressure for your engine. When it goes bad, signs include misfires, black exhaust smoke, stalling ...

A faulty transmission speed sensor can lead to numerous issues, including things like rough shifts, cruise control ...

Guest host Joanna Stern and the head of Ford discuss Apple CarPlay Ultra, competing with BYD, and what car she should lease next.

You may have heard about your engine's coil pack but not understood what it does. It's actually a critical component for ...

Mass air flow sensors fail most often in cars but a $20 air filter replacement every 12,000 miles prevents the $250-400 repair bills most drivers face.

New VW Group recall impacts multiple V8-powered SUVs and the Porsche Panamera. An incorrectly installed high-pressure fuel ...

The Audi Q3 doesn’t rewrite the rulebook, but it does significantly improve on most key metrics; the PHEV is particularly ...

With the rise of modern engines and hybrid technology, ECU tuning continues to evolve. Software is becoming more advanced, ...

Learn how to fix TPMS issues and alleviate the headache to prevent comebacks, misdiagnoses, and sensor problems in your shop.

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