We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

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Possibly the most frustrating thing to deal with on an electronic fuel-injection car is the dreaded check engine light. Things were simpler with carburetors and distributors--you could hold the ...

Modern vehicles are pretty complicated pieces of tech. Apart from emissions and other vital functions, the engine control system relies heavily on several sensors to regulate performance. That is ...

Got a 'Check Engine' light on your dash, staring at you? Wonder what it means? Wonder how much it will cost you to fix? Wondering if you can fix it yourself, if only you knew what it meant? Enter ...

In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...

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 ...