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Car Won't Accelerate Past 40 MPH: 12 Causes and Fixes

Car Won't Accelerate Past 40 MPH: 12 Causes and Fixes

You press down on the gas pedal expecting your car to speed up, but the speedometer refuses to climb past 40 mph. Traffic backs up behind you, horns blare, and your vehicle simply will not go any fast

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Catalytic Converter Clog vs O2 Sensor: How to Tell the Difference

Catalytic Converter Clog vs O2 Sensor: How to Tell the Difference

A check engine light comes on, your car feels sluggish, and fuel economy has dropped. You pull the OBD-II codes and see something related to the catalytic converter or oxygen sensors. Now the question

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Check Engine Light Statistics (2026): Repair Costs and Trends

Check Engine Light Statistics (2026): Repair Costs and Trends

If you are looking for check engine light statistics that are easy to cite, this page pulls together the latest U.S. numbers from CarMD, FHWA, AAA, NHTSA, and S&P Global Mobility in one place. ![Chec

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Diagnose Engine Misfires: Tips That Actually Work

Diagnose Engine Misfires: Tips That Actually Work

When your engine starts shaking, loses power, runs rough, or triggers the check engine light, you are likely experiencing a misfire, one of the most common automotive problems that affects everything

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How I Spot Early Warning Signs Your Car Engine Is Going Bad

How I Spot Early Warning Signs Your Car Engine Is Going Bad

That strange sound when you start your car, the subtle vibration at idle, or the dashboard light that flickers occasionally aren't random quirks. They're early warning signs your car engine is going b

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Engine Loses Power at Full Throttle: 17 Fixes

Engine Loses Power at Full Throttle: 17 Fixes

Your car runs fine cruising down the highway at 55 mph. But when you need to pass someone and floor the accelerator pedal, the engine bogs down instead of surging forward with power. The tachometer mi

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Engine Won't Rev Past 4000 RPM: 14 Fixes

Engine Won't Rev Past 4000 RPM: 14 Fixes

Floor the gas pedal to merge onto the highway and watch your tachometer climb to 4000 RPM, then nothing. The engine hits a wall and refuses to rev higher no matter how hard you press the accelerator p

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